Week 9

Question 1

What does the endocrine system do?

Answer 1

Maintains homeostasis

Question 2

What does the endocrine system involve?

Answer 2

• Metabolism
• Growth
• Development
• Reproduction
• Tissue function
• Sexual function
• Sleep
• Mood

Question 3

What is the endocrine system comprised of?

Answer 3

A collection of glands that produce hormones

Question 4

What do testicles do?

Answer 4

Produce testosterone

Question 5

What does the hypothalamus do?

Answer 5

Has close communication with the pituitary gland, and acts as a connector between the nervous and endocrine systems

Question 6

What do the pituitary glands do?

Answer 6

Consists of 2 sections, regulated by the hypothalamus and affects the secretion of many hormones

Question 7

What do the thyroid glands do?

Answer 7

Uses iodine from food to make 2 main hormones:

1. Triiodothyronine (T3)
2. Thyroxin (T4)

Question 8

What does the parathyroid gland do?

Answer 8

Regulates calcium in the body, makes parathyroid hormone (PTH)

Question 9

What do the adrenal glands do?

Answer 9

Consists of 2 parts:

1. Cortex (makes 50 steroid hormones)
2. Medulla (makes adrenaline, noradrenaline and dopamine)

Question 10

What does the pancreas do?

Answer 10

Secretes the hormones, insulin and glucagon, to control blood sugar levels

Question 11

What do the ovaries do?

Answer 11

Produces oestrogen and progesterone, and some lesser hormones; relaxing and inhibiting