What is made up of the brain and spinal cord

QUESTION POSTED AT 17/01/2020 - 02:03 AM

Answered by admin AT 17/01/2020 - 02:03 AM

The brain and spinal cord make up the axial division of the skeletal system. The other is called the appendicular division and contains all the bones that connect to the axial.
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Related questions

Explain why people are searching ways to use biofuels made from plants to power cars

Biofuels have been around as long as cars have. At the start of the 20th century, Henry Ford planned to fuel his Model Ts with ethanol, and early diesel engines were shown to run on peanut oil.

But discoveries of huge petroleum deposits kept gasoline and diesel cheap for decades, and biofuels were largely forgotten. However, with the recent rise in oil prices, along with growing concern about global warming caused by carbon dioxide emissions, biofuels have been regaining popularity.

Gasoline and diesel are actually ancient biofuels. But they are known as fossil fuels because they are made from decomposed plants and animals that have been buried in the ground for millions of years. Biofuels are similar, except that they're made from plants grown today.

ANSWERED AT 20/02/2020 - 10:56 PM


QUESTION POSTED AT 20/02/2020 - 10:56 PM

Crude oil is mostly made of which of the following? : greenhouse gas carbon dioxide hydrocarbons carbohydrates

Answer:  Hydrocarbon.

Explanation:

Crude oil is made up of carbon and hydrogen. Actually crude oil is a mixture of many compounds. It is formed by the dead and decaying remains of plants and animals.

Hence, called as fossil fuel. Burning of this fossil fuel into the environment releases carbon dioxide, sulfur dioxide and water into the environment.This is also used as a source of energy(fuel) in many processes.

ANSWERED AT 20/02/2020 - 09:33 PM


QUESTION POSTED AT 20/02/2020 - 09:33 PM

How does the brain and the nervous system assist in times of limited body resources?

The brain is considered as the main center of the human body. The nervous system is the system of the body that coordinates in all of the functions of the other systems. They serve as the main communication system or as the coordinator of the systems of the body. So for example if one system fails to do its function, this sends signals to the brain, then the brain sends messages to other systems to compensate of the loss. Hope this answers your question.

ANSWERED AT 20/02/2020 - 11:43 AM


QUESTION POSTED AT 20/02/2020 - 11:43 AM

Are viruses considered nonliving because they're are not made of protein

No. Firstly, viruses do contain protein capsids, in which DNA or RNA is contained.


To answer your question, viruses are considered non-living, because the only characteristic they exhibit, usual to the living organism, is multiplication. And that's about it. They cannot breathe, eat and so on. 

ANSWERED AT 19/02/2020 - 12:38 AM


QUESTION POSTED AT 19/02/2020 - 12:38 AM

which polypeptide chain will be made during translation of the following DNA sequence. (everything you need is in the picture)

The answer is: arg-ile-arg-tyr

ANSWERED AT 18/02/2020 - 11:40 PM


QUESTION POSTED AT 18/02/2020 - 11:40 PM

What are roots made of?

Roots are made of epidermal cells

ANSWERED AT 18/02/2020 - 04:34 PM


QUESTION POSTED AT 18/02/2020 - 04:34 PM

How are amniocentesis and spinal taps similar??

Hello there.

How are amniocentesis and spinal taps similar??
they are both medical procedures that take fluid samples for testing purposes

ANSWERED AT 18/02/2020 - 02:39 PM


QUESTION POSTED AT 18/02/2020 - 02:39 PM

1. Which of the following sets of terms could be used in a description of the peripheral nervous system? A. motor neuron, interneuron, sensory neuron B. brain, sensory neuron, myelin C. interneuron, spinal cord, autonomic D. somatic, brain, spinal cord 2. Which of the following is not a function of the human nervous system? A. regulating heartbeat B. listening to music C. moving oxygen from air into the blood D. signaling the diaphragm to contract 3. Which of the following correctly describes how nerve impulses move throughout the body? A. electrical trans

Q1. The answer is A. motor neuron, interneuron, sensory neuron

Sensory neuron receives signals from the environment and sends it to the central nervous system. Interneuron is the part of the central nervous system, it is found in the spinal cord where is involved in reflex action. In those reflex actions, the signal from sensory neuron is sent to interneuron and it sends it back to motor neuron which sends the signal to the effectors. In reflex actions signal is not sent to the brain because immediate reaction is necessary.


Q2. The answer is  
C. moving oxygen from air into the blood

The central nervous system is involved in 
regulating heartbeat, listening to music, signaling the diaphragm to contract. However, it is not involved in moving oxygen from air into the blood. Circulatory and respiratory systems are responsible for moving oxygen from air into the blood.

ANSWERED AT 18/02/2020 - 02:29 PM


QUESTION POSTED AT 18/02/2020 - 02:29 PM

Some of the sedimentary rock called ______ is made from ancient coral reefs buried by sediments.

Answer:

Limestone

Explanation:

Limestone can be termed as biochemical substance as it is majorly made up of skeletons of long dead animals and calcite.

ANSWERED AT 18/02/2020 - 02:14 PM


QUESTION POSTED AT 18/02/2020 - 02:14 PM

Describe the pathway of taste reception from the point where food comes into contact with the tongue to the point at which taste information travels to the brain briefly describe the structure and function of each organ along the pathway

The step  by step process of taste sensation and perception is as follows:

1. The food that we eat resides on the surface of tongue

2. The chemicals with in the food gets dissolved and form tastants

3. Tastants are received by the taste bud and the papillae though the gustatory hairs.  

4. Taste receptors after  stimulation by tastants convert the tanstants into sensory information  

5. These sensory information are then passed to the brain

6. The sensory information travel on the neural pathways along the facial cranial nerve and goes to the thalamus and then to the primary gustatory cortex for interpretation

ANSWERED AT 18/02/2020 - 01:55 PM


QUESTION POSTED AT 18/02/2020 - 01:55 PM

Several adaptations have made land animals very successful. List as many adaptations as you think of that made life on land possible.

It is vital to your understanding of this topic that you remember life on Earth was largely water-based and these aquatic creatures had to undergo adaptations and evolution over millions of years of transition to make the conversion to life on land possible. Animals had to develop lungs in addition to or replacing gills that could breathe air and extract the oxygen from that rather than the water. They also had to develop feet to replace their fins. Animals also had to be able to adjust to wide ranges of temperature on land that they didn't experience in the water, thus they developed different forms of heat protection. Mainly, animals had to develop a respiratory system that could handle the increase of oxygen, feet/legs that were suited to land rather than water, and stronger bodies that were rigid and could withstand high/low temperatures, terrestrial predators like those of vertebrates and arthropods, that were the animals first able to live on land.  

ANSWERED AT 18/02/2020 - 12:43 PM


QUESTION POSTED AT 18/02/2020 - 12:43 PM

Dermatomes are skin segments that relate to sensory innervation regions of the spinal nerves. True False

The answer happens to be
true

ANSWERED AT 18/02/2020 - 12:15 PM


QUESTION POSTED AT 18/02/2020 - 12:15 PM

What advance in technology made the discovery of cells possible

The advance in technology that made the discovery of cells possible was the creation of the microscope

ANSWERED AT 18/02/2020 - 10:40 AM


QUESTION POSTED AT 18/02/2020 - 10:40 AM

What is a main difference between a mixture and a pure substance? A mixture is only a liquid, but a pure substance can be in any state. A mixture looks the same throughout, but a pure substance does not. A mixture can vary in composition, but a pure substance has a set composition. A mixture can be made up of a single compound, but a pure substance cannot.

Answer:

A mixture can vary in composition, but a pure substance has a set composition.

Explanation:

    In general, pure substances are hardly found isolated in nature and are found in the form of mixtures, ie, associated with other substances. This means that we and almost everything around us are examples of mixtures of the most varied pure substances.

    Pure substances are materials that have constant chemical composition and physical and chemical properties as they do not change at constant pressure and temperature.

   Mixture is the union of two or more different substances (regardless of whether they are simple or compound). It has different and variable (non-fixed) physical characteristics (melting point, boiling point, density, toughness, etc.) compared to its constituent substances.

ANSWERED AT 18/02/2020 - 09:22 AM


QUESTION POSTED AT 18/02/2020 - 09:22 AM

What advance in technology made the discovery of cells possible

The microscope made the discovery of cells possible 

ANSWERED AT 18/02/2020 - 07:03 AM


QUESTION POSTED AT 18/02/2020 - 07:03 AM

The backbone or sides of the DNA molecule are made of

(Deoxyribose is the name of the sugar found in the backbone of DNA.) In between the two sides of this sugar-phosphate backbone are four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G). (A grouping like this of a phosphate, a sugar, and a base makes up a subunit of DNA called a nucleotide.)

ANSWERED AT 18/02/2020 - 04:50 AM


QUESTION POSTED AT 18/02/2020 - 04:50 AM

Given that all fish live in water and that all mackerel are fish, what can be concluded? Trout live in trees All mackerel live in the water Some mackerel may live partially underwater Fish are made from water.

All mackerel live in the water because all fish live in water and mackerel is a fish

ANSWERED AT 18/02/2020 - 02:26 AM


QUESTION POSTED AT 18/02/2020 - 02:26 AM

The endosymbiotic theory provides an explanation of the origin of chloroplasts which traits of chloroplasts supports this explanation Chloroplast do not reproduce chloroplasts rely on proteins that are made by the cell chloroplasts are larger than prokaryotic cells chloroplasts have their own DNA

The answer is chloroplasts have their own DNA

The endosymbiotic theory explains that mitochondria and chloroplasts descended from the same type of bacteria. According to the endosymbiotic theory, a host cell ingested symbiotic bacteria, which specialized into  chloroplasts. The evidence for this theory is that mitochondria and chloroplasts have their own circular DNA and transcriptional and translational machinery.

ANSWERED AT 18/02/2020 - 01:09 AM


QUESTION POSTED AT 18/02/2020 - 01:09 AM

Lactobacillus acidophilus (below) is a probiotic microorganism typically found in the human small intestine. It has a cell wall made of peptidoglycan. It aids in the process of digestion and can commonly be obtained through sources such as acidophilus yogurt. Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria? It is multicellular. It has a cell wall. It is a microorganism. It has peptidoglycan.

The right answer is It has peptidoglycan.

Eubacteria are not multicellular beings, but are unicellular.

Eubacteria certainly have a cell wall, but we must not forget that plant cells also have a cell wall, so this is not really a feature.

Eubacteria are microorganisms but there are eukaryotic microorganisms, so it is not a characteristic.


Peptidoglycan (or murine, or mucocomplex, or mucopeptide) is a characteristic component of the bacterial wall (not found elsewhere) maintaining the shape of cells and providing mechanical protection against osmotic pressure. It forms a thin layer in Gram-negative bacteria and a thick layer in Gram-positive bacteria.

ANSWERED AT 17/02/2020 - 11:59 PM


QUESTION POSTED AT 17/02/2020 - 11:59 PM

Meningitis is a disease that is characterized by swelling of the meninges that puts pressure on the brain. Which is least likely to be a symptom of this disease?

Because physical symptoms of Meningitis are are all within the brain and spinal cord, a red, itchy rash.

ANSWERED AT 16/02/2020 - 05:54 AM


QUESTION POSTED AT 16/02/2020 - 05:54 AM

How are all living thing made of cells

My answer is all living thing are living things are is to replace damage cell like getting a cut, it can replace those damage cells and healing it.

ANSWERED AT 16/02/2020 - 01:53 AM


QUESTION POSTED AT 16/02/2020 - 01:53 AM

PLZZ HELP FASSSSST 1. Which of the following eyects would you expect if red blood cells were shaped like neurons? (1 point) They would not be able to move as easily through capillaries. They would more easily carry out gas exchange in the alveoli. They would not need to be transported through the body. They would become more eyective at picking up urea discarded by body cells. 2. Which of the following is not a function of the skeletal system? (1 point) supports the body works with other body systems to allow movement manufactures new blood cells sends signals to the brain 3. Which of the following body systems are involved in the first line of defense of the immune system against infection? (1 point) integumentary, digestive, respiratory nervous, circulatory, skeletal muscular, endocrine, urinary urinary, skeletal, integumentary 4. Which of the following sets of structures would be involved in ridding the body of unwanted urea? (1 point) sensory neuron, interneuron, spinal cord alveoli, atrium, cilia capillary, nephron, ureter brain, esophagus, small intestine 5. An infectious disease is a disease that (1 point) is caught because the weather turns cold. is caused by pathogens. can be spread only by bacteria. cannot be cured. 6. Which of the following statements is true regarding infectious agents? (1 point) Infectious agents are all too small to be seen without a microscope, and none can be classified as living. All infectious agents are living because they are all classified as microorganisms. Of all the infectious agents, only viruses are considered living because they actively inject their DNA or RNA into host cells. Viruses cannot be treated with antibiotics because they are not living organisms. 7. Which discovery in the 1800s led to the development of germ theory? (1 point) Vaccines could prevent a disease. Antibiotics exist that can be given to counteract an infection. Infection rates decline when health care professionals wash their hands in between seeing patients. Some diseases, such as cancer, are caused by chemical factors. 8. Follow a carbon atom in a piece of bread eaten by a boy. Which of the following describes a path that this atom could take? (1 point) mouth esophagus stomach large intestine blood body cell mouth esophagus stomach small intestine blood body cell mouth large intestine esophagus stomach blood body cell mouth esophagus small intestine stomach blood body cell 9. Which of the following sets of structures is innervated by the somatic nervous system? (1 point) esophagus, stomach, small intestine atrium, ventricle, arteries biceps, triceps, quadriceps diaphragm, bladder, large intestine 10. Which of the following cell types would you expect to increase in number azer a person becomes infected with a pathogen? (1 point) sensory neurons white blood cells epidermal cells red blood cells

I got the first 3 the answers are A,D, and C good luck with the rest

ANSWERED AT 16/02/2020 - 12:10 AM


QUESTION POSTED AT 16/02/2020 - 12:10 AM

A doctor is exploring some tissues with a blunt probe. she notices that the tissue is white and fatty and seems to be concentrated within the spinal cord. she is observing A. gray matter B. Myelin Sheaths

Answer:

The correct answer is option B, that is, myelin sheaths.

Explanation:

Myelin refers to an insulating layer, or a sheath, which get produced surrounding the nerves, comprising those in the spinal cord and the brain. It is formed of fatty substances and protein. This myelin sheath permits electrical impulses to conduct briskly and effectively between the nerve cells.  

The neuron’s myelin sheath comprises the cells containing fat, which shield the axon from electrical activity. The insulation functions to enhance the rate of conduction of signals. The myelin sheath provides the whitish look to the brain's white matter.  

ANSWERED AT 15/02/2020 - 11:56 PM


QUESTION POSTED AT 15/02/2020 - 11:56 PM