Endocrine System

What are hormones?

1. Hormones are chemical messengers that are secreted by endocrine glands into the bloodstream, to travel to the specified target organ.

What are the 6 endocrine glands? PAT POT

1. Pituitary

2. Adrenal

3. Thyroid

4. Pancreas

5. Ovaries

6. Testes

What hormones does the pituitary gland release? FLAT

1. Follicle stimulating hormone

2. Luteinising hormone

3. Antidiuretic hormone

4. Thyroid stimulating hormone

What hormone does the adrenal gland release?

1. Adrenaline

What hormone does the thyroid gland release?

1. Thyroxine

What hormones does the pancreas release?

1. Insulin + glucagon.

What hormones does the ovaries release?

1. Progesterone + oestrogen.

What hormone does the testes release?

1. Testosterone

What is FSH responsible for?

1. Stimulates egg development and oestrogen secretion in females and sperm production in males.

What is LH responsible for?

1. Egg release in females

2. Testosterone production in males

What is ADH responsible for?

1. Controls the water levels of blood.

What is thyroid stimulating hormone responsible for?

1. Stimulates the thyroid to release thyroxine.

What is thyroxine responsible for?

1. Controls the body's metabollic rate

2. This is how fast chemical reactions take place in cells

What is insulin responsible for?

1. Lowers blood glucose

What is glucagon responsible for?

1. Raises blood glucose

What is adrenaline responsible for?

1. Prepares the body for physical activity

What is testosterone responsible for? Provide an example

1. Controls the development of male secondary sexual characteristics

2. When male teenagers' voice deepens, shoulders widen, and pubic hair begins to grow

What is oestrogen responsible for? Provide an example

1. Controls the development of female secondary sexual characteristics.

2. This is when female teenagers' breasts begin to form while they grow pubic hair.