The Endocrine System

Question 1

What are Hormones?

Answer 1

Chemical messengers that are released into the blood and are carried by it.

Question 2

What organs do hormones affect?

Answer 2

Only organs that need constant adjustment

Question 3

What do hormones tend to have?

Answer 3

Long-lasting effects

Question 4

What does the Pituitary gland produce?

Answer 4

Many hormones that regulate body conditions

Question 5

What is the Pituitary gland also known as?

Answer 5

‘Master Gland’- the hormones produced act on other glands, directing them to release hormones that bring about change.

Question 6

What does the Thyroid gland produce?

Answer 6

Thyroxine which is involved in regulating the metabolism rate, heart rate and temperature

Question 7

Where is the Thyroid gland found?

Answer 7

The neck

Question 8

What does the Pancreas produce?

Answer 8

Produces insulin which is used to regulate blood glucose levels.

Question 9

What do the Overies produce?

Answer 9

Oestrogen, which is involved in the menstruation cycle.

female only

Question 10

What do the Testes produce?

Answer 10

Produce testosterone, which controls puberty and sperm production (male only)

Question 11

What are the 3 key differences between Nerves and Hormones?

Answer 11

1) Nerves are faster (hormones are slower action)
2) Nerves act for a very short time (hormones for a long time)
3) Nerves act on very precise areas (hormones act on a more general area)