D3.3

Question 1

Insulin opens ______ to allow uptake of glucose into ____

Answer 1

glucose channels, cell

Question 2

“When your __________”

Answer 2

glucose is gone (low blood glucose) alpha secrete glucagon (converts to glucose in blood)

Question 3

Variables that change within certain range humans

Answer 3

blood temp.
blood pH
blood glucose conc.
blood osmotic conc.

Question 4

Pancreas location?

Answer 4

abdomen

Question 5

Exocrine glands:

Answer 5

secrete substances through duct

Question 6

Type 1:

Answer 6

B cells attacked, no insulin prod.

Question 7

Type 2:

Answer 7

lack of insulin receptors on skin
- lack of exercise, diet, genetics

Question 8

Type 1 cure:

Answer 8

insulin injections/ test blood sugar

Question 8

Type 2 cure:

Answer 8

Dietary change/exercise

Question 9

Describe Thermo regulation from low temp to high:

Answer 9

hypo-, TRH, TSH, Thyroxine (inc. cell metabolism)

Question 10

Muscle contractions ____

Answer 10

produce heat

Question 11

Role of adipose tissue

Answer 11

• insulate/ prevent heat loss
• SEALS (blubber)
  -respiratory substrate (heat generation)

Question 12

Thermoreg. cold weather

Answer 12

-shiver
-raise (erection) of hair
-vasoconstriction (red. blood flow to skin)
- uncouple resp. (No ATP prod; only heat-brown adipose tissue)

Question 13

Thermoreg. hot weather

Answer 13

-vasodilation (inc. blood flow to skin)
- Sweating (by hypothalamus)