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Nervous System

This category is for questions about the mechanical and chemical process of reactions to internal and external stimuli, ranging from the brain down to the spinal cord, and all nerves, cells and tissues in between.

3,047 Questions

What might happen if there was a breakdown in the nervous system?

If your nervous system failed, you would lose feeling of every part of your body. Touch prevents you from destroying your body and tearing it apart. If you lose touch, which is when your nervous system fails, you will unknowingly tear your body to shreds, and your whole body will ultimately fail and collapse. no messages would get sent around your body telling your body what to do.

What is another name for nerve tissue?

Neurons are the name of the nerve cells. They are ultra-sensitive cells which “fire” communication signals with the central nervous system. They help detect all superficial and some internal sensations, such as itching or pain.

What part of the brain is controlled by the nervous system?

brain, spinal cord, ganglia, nerves, sensory receptors, neuroglia, neurons.

Why is the reflex reaction important in certain situations?

Without an automatic response to a simple stimulus which does not require mental processing, a human being would not be able to react to its' own functions being harmed in any way. Example: Skin contact with fire, without a response to the flame, your skin would burn.

What is a peripheral nation?

A peripheral nation is a country that is often characterized by lower levels of industrialization, economic dependence on more developed nations, and limited access to global markets. These nations typically have weaker economies, less political influence, and may rely heavily on exporting raw materials or agricultural products. In the context of world-systems theory, peripheral nations are contrasted with core and semi-peripheral nations, highlighting their marginal position in the global economic hierarchy.

Why isn't the hair follicle controlled by skeletal muscle?

Because cerebral cortex has too many work already. If we have to think about contolling the hair may be we can be only the porcupine instead of two legs mongky. ^^

White matter of the nervous system is composed of?

White matter in the nervous system is caused when the axons in the area are myelinated. This means that the axons have a fatty protein covering to provide insulation. The myelin sheath is composed of special cells calls Schwann Cells.

Is monkeys central nervous system different from humans?

Monkeys Brains are about 400g were as human brains are about 1400g and are 15cm, monkeys brains are only about 8cm long!

The different ways of taking care of the nervous system?

Tips on how to take care of the nervous system:

1. To protect the brain, avoid any fall or accident that can injure it. Observe safety measures to avoid falls and accidents.

2. Eat foods for the brain and the nerves. These foods are those rich in Vitamin B like beans, peas, mongo, and vegetables.

3. Coffee, tobacco, and alcoholic drinks are not good for the nervous system. Medicines and drugs should be taken only with a doctor's prescription or advice.

4. Learn the art of relaxing your mind, nerves, and senses. Use your leisure time wisely.

remember: VITAMIN B!! not vitamin D. :)

What is another name for the visceral motor nervous system?

Another name for the autonomic nervous system (ANS) is the visceral nervous system.

& u can also called it vegetal nervous system....

What are the cranial nerves belonging to senses?

Sensory nerves are the nerves that allow people to experience taste, touch, smell, sight, and hearing. For sight, there are photoreceptors; for hearing, there is stereocilia; for touch, there are motor neurons, and for smell there are olfactory sensory nerves.

The actual site of information processing in the nervous system is the?

To date, no credible answer has been found to this question. There is no apparent single location in the brain where the huge amount of information coming from body and discrete areas of brain are integrated. Though much is known about the function of different parts of the brain, and the blueprint is the same for every human being under the sun, the way that it is all put together to achieve consciousness of different stimuli simultaneously is not understood. This is one of the central puzzles of modern neuroscience, and a hot area of research.

How do central nervous system depressants work?

Most CNS depressants activate a neurotransmitter called gamma-aminobutyric acid (GABA), which helps decrease brain activity.

What are sensory nerves?

Sensory nerves are part of the peripheral nervous system which includes the cranial and spinal nerves. They bring impulses to the central nervous system which includes the brain and spinal cord. Peripheral means the sides and that is why the sensory nerves are referred to as the peripheral nervous system.

All of the nervous system is related to the skin because both the nervous system tissues and skin tissues originated in endoderm during the gastrula stage of embryonic development.

The sensory nerves form the link between receptors and the central nervous system (CNS). They carry nerve impulses from stimulated receptors to the CNS. They are also referred to as afferent nerves.

Can nervous system be represented in a flow chart or an expandable tree structure?

Expandable tree structure indicating the hierachical nature of the nervous system