B11.1

Question 1

What is the endocrine system?

Answer 1

composed of endocrine glands that secrete chemicals called hormones into the bloodstream, the blood carries hormone to target organ and produces effect

Question 2

difference between the nervous system

Answer 2

hormonal effects are slower but longer lasting, act in a more general way

Question 3

What is the pituitary gland?

Answer 3

the ‘master gland’, secretes several hormones into the blood in response to body conditions = can simulate other glands to release hormones

Question 4

The key endocrine glands

Answer 4

Pituitary = growth in children 
Thyroid = (thyroxine) control metabolic rate
Adrenal = (adrenaline) fight or flight response
Pancreas = (insulin) blood glucose levels
Ovaries = (oestrogen) menstrual cycle
Testes = (testosteone) controls puberty and sperm production