The Function of the Endocrine System

Question 1

How does the endocrine system deliver hormones?

Answer 1

Through the blood vessels to the target sites in the body

Question 2

Major glands include

Answer 2

The pituitary
The adrenal
The reproductive organs

Question 3

The hypothalamus receives information about functioning and regulates it by

Answer 3

Producing and releasing hormone secretary by the pituitary

Question 4

What is the pituitary also known as?

Answer 4

The master gland

Question 5

What does the pituitary produce?

Answer 5

It produces stimulating hormone

Question 6

What do the stimulating hormones signal?

Answer 6

They signal the target gland and its cells to secrete specific hormones

Question 7

Levels of ________ ________ rise in the _____ ______ and a feedback system means that the _________ and ____________ stop secreting and levels of ________ stabilise in the blood stream

Answer 7

Specific
Hormones 
Blood
Stream 
Pituitary
Hypothalamus 
Hormones

Question 8

Adrenal glands - Adrenal cortex - outer layer

Answer 8

Produces hormones necessary for life/functioning
Cortisol for cardio vascular and anti-inflammatory functions
Has a role in stress response

Question 9

Adrenal gland - Adrenal Medulla - inner layer

Answer 9

Needed in ‘fight or flight’
Adrenaline increases heart rate and blood flow
Noradrenaline constricts blood vessels causing adrenaline to increase

Question 10

Reproductive organs - testes

Answer 10

They release testosterone (the Male hormone)

In men, testosterone plays a key role in the development of male reproductive tissues such as the testes or prostate

Question 11

Reproductive organs - ovaries

Answer 11

Ovaries release oestrogen and progesterone (female hormones) that control the menstrual cycle.