The function of the endocrine system

Question 1

The endocrine system

Answer 1

Network of glands throughout the body that manufacture and secrete chemical messengers (hormones)

Helps to regulate the activity of cells and organs in the body

Question 2

Endocrine glands

Answer 2

Special group of cells in the ES who produce and secrete hormones (chemical messengers)

Timing of hormone release is vital as too much or too little of the hormone at the wrong time can lead to a dysunction of bodily systems

Question 3

Hormones

Answer 3

Chemical messengers

Travel through the bloodstream to target sites in the body and affects target cells.

Target cells respond to the particular hormone as they have receptors for that hormone

Question 4

The pituitary gland explanation

Answer 4

The ‘master gland’
= primary function is to influence the release of hormones from other glands

Controlled by the hypothalamus- which recieves info ab basic functions of body and helps regulate body

Two main parts: anterior(front) pituitary and posterior(back) pituitary

Question 5

Hormones produced by pituitary gland

Answer 5

Anterior pituitary: LH and FSH
These hormones effect:
females: stimulates overies to produce oestrogen and progesterone
males: stimulate testes to produce testosterone and sperm

Question 6

Ovaries

Answer 6

produce oestrogen and progesterone

Progestorone= important in the post-ovulation phase of menstrual cycle, and assoc w heightened sensitivity to social cues that indicate the presence of social opportunity or threat that would be significant in pregnancy