Function of endocrine system

Question 1

Function of the endocrine system (3)

Answer 1

1) Provides a chemical system of communication within the blood regulates the activity of our cells/organs

2) Its slower than the nervous system but has a more widespread and powerful effect

3) The chemical messengers are called hormones which circulate in the blood and control cells/organs and influence our behaviour.

Question 2

Pineal gland (3)

Answer 2

1) Secretes melatonin

2) Which regulates the sleep wake cycle

3) By making a person feel tired and ready for sleep

Question 3

Adrenal gland (3)

Answer 3

1) Releases adrenaline

2) Causes psychological changes involved in the fight or flight response

3) Increased blood flow to transport oxygen to the brain for rapid response planning

Question 4

Pituitary gland (2)

Answer 4

1) Secretes many different hormones

2) Controls functions of other glands

Question 5

Ovaries

Answer 5

1) Anterior pituitary gland releases LH and FSH which encourages the ovaries to release progesterone and oestrogen

2) Which regulates the female menstrual cycle and female characteristics

Question 6

Testes

Answer 6

1) Anterior pituitary gland release FSH and LH which encourages the testes to release testosterone

2) Which regulates sperm production and male characteristics