Chapter 6

Question 1

3 parts of a nerve cell

Answer 1

1) body; 2) dendrites; 3) axon

Question 2

4 parts of the brain

Answer 2

1) Cerebrum; 2) Cerebellum; 3) Diencephalon; 4) Brain Stem

Question 3

Nervous system, by function

Answer 3

1) Somatic (monitor and direct skeletal muscles; 2) autonomic nervous system - monitors and controls organs and glands - sympathetic “fight or flight” and parasympathetic “rest and digest”

Question 4

Neurotransmitters

Answer 4

chemical messengers that travel between axon and dendrite, such as seratonin

Question 5

limbic system

Answer 5

allows us to understand the emotions of others and to express our own emotions, have the feeling of wanting something and the motivation to go get it

Question 6

hypothalamus

Answer 6

regulates heart rate, respiration, hormone secretion, blood pressure, body temperature, sleep cycles, coordination between nervous and endocrine systems

Question 7

Enteric nervous system

Answer 7

Our second brain, the private nervous system of the digestive organs with as many neurons as the spinal cord and the same neurotransmitters as the brain.