B11

Question 1

what are hormones

Answer 1

-chemical messengers
-endocrine system
-released into bloodstream

Question 2

what are the parts of the endocrine system

Answer 2

-thydriod gland
-adrenal gland
-ovaries
-testies
-pancreas
-pituitary gland

Question 3

pituitary gland

Answer 3

-‘master gland’
-in brain
-role=stimulated other glands to produce hormones

Question 4

how do hormones travel around body

Answer 4

-hormone gets secreted from gland

-travels through the bloodstream towards the target cell

-hormone binds to receptors on the target cell and causes an effect 

Question 5

how to hormones know where to go

Answer 5

-each target cell has a receptor that the hormone is able to bind to

-non-target cells would not have receptors 

Question 6

what happens when blood glucose levels are too high? 

Answer 6

-pancreas secretes insulin

-insulin will travel to liver and muscles

-to convert glucose to glycogen

Question 7

what happens when blood glucose levels are too low? 

Answer 7

-pancreas secretes glucagon

-this then goes to the liver

-where it breaks down glycogen to glucose


Question 8

why must type one diabetics always check their blood sugar


Answer 8

-Energy is always being used and their body cannot regulate them or produce insulin 

Question 9

why can’t it shouldn’t be taken as a tablet 

Answer 9

-The stomach will digest it due to the production of protease

-insulin is a protein

Question 10

three ways type two diabetics can be treated 

Answer 10

• exersice

-diet

-stress level decreases

all of those don’t work=
-drugs that help cells react to insulin
-drugs that help pancreas produce insulin
-injections

Question 11

cures to type one diabetes 

Answer 11

-pancreas transplant
-insulin cells from human embryo 

Question 12

advantages of a pancreas transplant

Answer 12

-no longer need injections

-would regulate blood sugar levels

-doesn’t need to check BL

-no need for dieting

Question 13

disadvantages of pancreas transplant 

Answer 13

-risky/diffuculy

-only a few 100 take place a year

-not enough doners

-exchange one medicine for another

Question 14

advantages of insulin secreting cells from human embryo


Answer 14

-seems likly it’s easiest cure

-don’t need BSL checks daily

-no need for strict dieting

-no longer needs injections

Question 15

disadvantages of insulin secreting human embryos 

Answer 15

-ethics

-still in testing

-not successfully done on humans