Human endocrine system

Question 1

What are the endocrines glands function

Answer 1

glands that secrete hormones into blood stream to travel to target cells

Question 2

What are target cells and how do hormones know which ones

Answer 2

cells have receptors on which will be complementary to the hormone so hormone binds to it

Question 3

What is negative feedback

Answer 3

when system works to maintain steady state

Question 4

What is thyroxine hormone, where does it come from and what does it control

How do we keep it in controlled level

Answer 4

comes from thyroid gland in neck using iodine in diet to produce thyroxine

controls basal metabolic rate of body i.e break down of substance and build up

pituitary gland produces TSH when there is low thyroxine
when high thyroxine it lowers production

Question 5

What is adrenaline and where is it released from and why

Answer 5

when in high stress
adrenal glands release adrenaline
increasing heart and breathing rate etc.

Question 6

What does the thyroid gland secrete and what does it do

Answer 6

controls metabolic rate by secreting thyroxine

Question 7

What does the adrenal gland secrete and what does it do

Answer 7

secretes adrenaline to prepare body in stressful situations

Question 8

What does the pancreas do and what hormones does it secrete

Answer 8

it controls level of glucose in the blood
secretes insulin and glucagon

Question 9

What do the ovaries do and what hormone does it secrete

Answer 9

Develops menstrual cycle in women releases oestrogen

Question 10

What do the testicle do and what hormone does it secrete

Answer 10

controls sperm production releases testosterone