Mod 10

Question 1

What is the central nervous system?

Answer 1

the brain and spinal cord

Question 2

what is the peripheral nervous system?

Answer 2

sensory motor neurons that connect CNS to rest of body

Question 3

What are nerves?

Answer 3

bundled axons that form neutral cables connecting CNS to muscles, etc.

Question 4

Explain the three types of neurons?

Answer 4

1) Sensory - carry incoming info from sensory receptors to CNS
2) motor - carry outgoing info from CNS to muscles/glands
3) Interneurons - w/in brain and spinal cord. communicate internally and intervene between M/S

Question 5

What 2 components make up the PNS motor neurons

Answer 5

1) Somatic NS - voluntary control of skeletal muscles
2) Autonomic NS - controls glands and muscles of internal organs. ex) (para)sympathetic NS

Question 6

What are neutral networks?

Answer 6

short and fast neural connections

Question 7

What are spinal reflexes?

Answer 7

rapid, automatic, and involuntary motor responses

Question 8

What is the endocrine?

Answer 8

body’s slow chemical communication system

Question 9

What are hormones?

Answer 9

Chemical messengers that are made by endocrine glands and affect our tissue

Question 10

What are adrenal glands?

Answer 10

they sit above the kidney and secrete hormones that help arouse the body during stress

Question 11

What is the pituitary gland?

Answer 11

regulates growth and controls other endocrine glands