Topic 7 - Animal Coordination , Control And Homeostatis - Hormones

Question 1

What are the two communication systems in the human body?

Answer 1

The nervous system and the endocrine system

Question 2

What do hormones act as in the body?

Answer 2

Chemical messengers

Question 3

What is the primary function of the endocrine system?

Answer 3

To send hormones around the body

Question 4

What type of glands are involved in the endocrine system?

Answer 4

Glands that secrete hormones directly into the bloodstream

Question 5

What is the role of the pituitary gland?

Answer 5

The master gland that secretes hormones to affect the body or stimulate other glands

Question 6

What hormone does the pancreas secrete?

Answer 6

Insulin

Question 7

What does insulin control?

Answer 7

Blood glucose levels

Question 8

What hormone does the thyroid secrete?

Answer 8

Thyroxine

Question 9

What functions does thyroxine control?

Answer 9

Metabolic rate, heart rate, and temperature

Question 10

What hormone is secreted by the adrenal gland?

Answer 10

Adrenaline

Question 11

What is the role of adrenaline in the body?

Answer 11

Involved in the ‘fight or flight’ response

Question 12

What hormone do the ovaries secrete?

Answer 12

Oestrogen

Question 13

What functions is oestrogen involved in?

Answer 13

The menstrual cycle and the development of female secondary sexual characteristics

Question 14

What hormone do the testes secrete?

Answer 14

Testosterone

Question 15

What is testosterone involved in?

Answer 15

The production of sperm and the development of male secondary sexual characteristics

Question 16

How does the blood transport hormones?

Answer 16

To a target organ or tissue where it has an effect

Question 17

How does the speed of the hormonal system compare to the nervous system?

Answer 17

The hormonal system is much slower but acts for longer