BIOPSYCHOLOGY Endocrine System

Question 1

Explain what the endocrine glands are

Answer 1

Produce and separate hormones

Each gland produce different hormones

Question 2

Explain what hormones are

Answer 2

Chemicals that circulate in the bloodstream and are carried to target cells

Each hormone affects limited number of cells - target cells

Target cells respond to particular hormone because have receptors for that hormone

Timing of hormone release and levels of hormone released is critical for normal functioning

Question 3

Explain what the pituitary gland is

Answer 3

Known as master gland

Located in brain

Controlled by hypothalamus

Hormones released by pituitary gland influences the release of hormones from other glands

Hormones travel in bloodstream to specific target

Question 4

Explain the adrenal glands

Answer 4

2 adrenal glands - sit on top of kidneys

Each gland made up of adrenal cortex and Ed renal medulla

Adrenal cortex - produces cortisol

Adrenal medulla - releases adrenaline

Question 5

Ovaries and testes

Answer 5

Ovaries - female reproductive system
Produces oestrogen and progesterone

Testes - male reproductive gland
Produces testosterone