autonomic nervous system:

Question 1

What does the sympathetic system do?

Answer 1

• mediates flight or fight response when we are active, exercising, or stressed as a short term stress response
• maintains homeostasis

Question 2

What does the parasympathetic system do?

Answer 2

• rest and digest response

Question 3

what does a phospholipid consist of?

Answer 3

Head- polar, hydrophilic

2 fatty acid chains- neutral charge, hydrophobic

Question 4

What is the role of a semipermeable membrane?

Answer 4

Allows certain molecules through while blocking others

Question 5

What are the 2 pathways in the autonomic nervous system?

Answer 5

(CNS)
pre ganglionic- brain/spinal chord
                         - acetylcholine 
(ganglion)
post ganglionic- target tissue
                          - adrenaline
(effector)

Question 6

Adrenal medulla:

Answer 6

secretes hormones into the blood stream