Question 1:

What is the function of the nervous system?

Answer 1:

It is the control center of the body, controlling all other body systems.

(sends and receives messages, maintains homeostasis or stability, controls thoughts and movement, senses and responds to environment)

Question 2:

What are the structures of the nervous system?

Answer 2:

Brain

Spinal cord

Nerves

Question 3:

What structure in the nervous system is similar in function to the nucleus of a cell?

Answer 3:

Brain

Both the nucleus and the brain are the control centers for their systems.

Question 4:

The ______is compared to a freeway. Why?

Answer 4:

Spinal cord.

All the nerves of your body come together in your spinal cord on their way to your brain. Like a freeway your spinal cord carries most of the “traffic” of your nervous system.

Question 5:

What structure does your spine protect?

Answer 5:

Spinal

Cord

Question 6:

What are the cells of the nervous system called?

Answer 6:

Neurons

Question 7:

Why are spinal cord injuries so serious?

Think about the function of the spinal cord.

Answer 7:

Your spinal cord passes along messages from your body to your brain. If injure your spinal cord your brain might not be able to communicate with your body and you may loose the ability to feel and move parts of your body.

Question 8:

How do nerves pass along messages?

Answer 8:

Tiny electrical pulses

Question 9:

How are neurons similar to dominoes?

Answer 9:

The signal is sent from one neuron to the other until it reaches its destination just like one domino knocks only the next, and the next…

Question 9:

What is the average human body temperature?

Answer 9:

98.6 degrees F

Question 10:

Define homeostasis.

Answer 10:

Stable internal conditions

Question 11:

When we are too hot we often ______to cool down.

Answer 11:

Sweat

Question 12:

When we are too cold we often ______to heat up.

Answer 12:

Shiver