the endocrine system

Question 1

def endocrine system

Answer 1

a system of glands that secrete hormones into the bloodstream in minute quantities to aid the body in regulation of bodily functions

Question 2

def hormones

Answer 2

chemical substances produced in minute quantities by endocrine glands, transported via bloodstream to target organs to exert effects. destroyed by liver, excreted by kidneys

Question 3

what do hormones affect (3)

Answer 3

growth, flight-or-fight, physical + emotional changes during puberty

Question 4

diff btw exocrine + endocrine glands

Answer 4

exocrine: ducts present

Question 5

insulin secreted by

Answer 5

beta cells of isles of langerhans

Question 6

insulin targets

Answer 6

liver + muscle cells

Question 7

insulin causes

Answer 7

bg decr

Question 8

when lacking in insulin

Answer 8

bg abnormally high, tissue cells cannot utilise/store glucose, glucose excreted in urine, may lead to diabetes mellitus

Question 9

glucagon secreted by

Answer 9

alpha cells of isles of langerhans

Question 10

glucagon targets

Answer 10

liver cells

Question 11

glucagon causes

Answer 11

bg incr

Question 12

when lacking in glucagon

Answer 12

weak body, lack of energy

Question 13

when glucagon in excess

Answer 13

over-activity

Question 14

when insulin in excess

Answer 14

abnormally low bg, may cause insulin shock