Nervous System BrainPOP

Tim says that the brain contains an "intricate network" of neurons. What is the best synonym (means the same as) for "intricate"?

• small

• complex

• simple

• massive

What might happen if your body lacked (didn't have) neurotransmitters?

• nerves could not communicate

• impulses could not travel along nerves

• you would not be able to touch objects around you

• nerve cells would begin dying off

How are neurotransmitters different from the impulses that travel along the bodies of nerve cells?

• Imp. are electrical; N. are chemical
• Imp. travel much faster than N.
• Imp. send signals from body to brain; N. send signals from brain to body
• Imp. occur constantly; N. are released occasionally

Which process is governed (done) by the autonomic nervous system?

• writing

• chewing

• running

• digesting food

Which of the following is an example of a reflex? Pick two.

• drinking water

• sneezing

• moving your hand away from a hot object

• throwing a ball

Which is true?

• your brain is involved in all the actions your body performs
• the nerves are connected together tightly
• there are gaps between many of the nerve cells in your body
• the somatic nervous system allows you to feel hot and cold sensations

If an area of your body is sensitive, what can you conclude?

• it contains more skin cells than other areas
• it contains more nerve endings than other areas
• it conducts electricity better than other areas
• it contains more neurotransmitters than other areas

Where in your body can you find nerve cells?

• brain
• spinal cord
• neurons
• everywhere

A disorder called CIPA prevents people from feeling pain. What can you infer about these people?

• they are capable of amazing feats of strength
• they can injure or burn themselves without realizing it
• their brains do not function properly so they can't think clearly
• they tend to live extremely long lives

Which of these is NOT part of your nervous system?

• brain

• nerves

• spinal cord

• heart