The Endocrine System

Question 1

Outline the function of the Endocrine System

Answer 1

• The endocrine system is responsible for providing a chemical system of communication via the bloodstream
• It’s made up of glands that secrete these chemicals called hormones which bind to their specific receptors in the blood stream, regulating bodily functions.

Question 2

Outline the Pituitary (master) gland

Answer 2

• Location: Brain
• Hormone it secretes: growth hormone
• Function of hormone: Acts on many parts of the body promoting growth and muscle mass

Question 3

Outline the Pineal gland

Answer 3

• Location: Brain
• Hormone it secretes: Melatonin
• Function of hormone: Regulates sleep/wake cycle by causing feelings of tiredness

Question 4

Outline the Adrenal gland

Answer 4

• Location: Above kidneys
• Hormone it secretes: Adrenaline
• Function of hormone: Produces physiological changes seen in fight or flight response

Question 5

Outline the Testes

Answer 5

• Location: Male reproductive system
• Hormone it secretes: Testosterone
• Function of hormone: Develops male physical and psychological changes (e.g. facial hair, increased aggression etc..)

Question 6

Outline the Ovaries

Answer 6

• Location: Female reproductive system
• Hormone it secretes: Oestrogen
• Function of hormone: Develops female physical and psychological changes (e.g. breast growth, increased empathy)