Endocrine System

Question 1

What is the endocrine system

Answer 1

A network of glands spread throughout the body that secrete hormones to regulate and coordinate bodily functions

Question 2

What are hormones?

Answer 2

Chemicals that are released from glands that circulate in the blood-stream and are carried to target structures around the body. Each hormone will excite/stimulate a specific part of the body, this usually leads to the release of other hormones

Question 3

Hypothalamus - Hormone and Effect

Answer 3

Hormone - None

Effect - Stimulates and controls the release of hormones from the pituitary gland

Question 4

Anterior Pituitary Gland - Hormone and Effect?

Answer 4

Hormone - Adrenocortical trophic hormone (ACTH)

Effect - Stimulates the adrenal cortex and the release of cortisol during the stress response

Question 5

Posterior Pituitary Gland - Hormone and Effect?

Answer 5

Hormone - Oxytocin

Effect - Responsible for uterus contractions during childbirth

Question 6

Pineal Gland - Hormone and Effect

Answer 6

Hormone - Melatonin

Effect - Responsible for important biological rhythms, including the sleep-wake cycle

Question 7

Thyroid Gland - Hormone and Effect

Answer 7

Hormone - Thyroxine

Effect - Responsible for regulating metabolism

Question 8

Adrenal Medulla - Hormone and Effect?

Answer 8

Hormone - Adrenaline and Noradrenaline

Effect - Fight or flight response

Question 9

Adrenal Cortex - Hormone and Effect?

Answer 9

Hormone - Cortisol

Effect - Stimulates the release of glucose to provide the body with energy, while suppressing the immune system

Question 10

Ovaries - Hormone and Effect?

Answer 10

Hormone - Oestrogen

Effect - Controls the regulation of the female reproductive system, including the menstrual cycle and pregnancy