The Endocrine System - SB7

Question 1

where are hormones produced?

Answer 1

in endocrine glands (that make up the endocrine system)

Question 2

what are hormones?

Answer 2

chemical molecules released directly into the blood and are carried through the blood to other parts of the body but only affect particular cells in particular organs (target organs)

Question 3

how does the endocrine system differ from the nervous system?

Answer 3

use chemical impulses instead of electrical, much slower but longer lasting effects than nervous

Question 4

what is the role of the pituitary gland?

what hormone is produced etc?

Answer 4

release growth hormone, regulate body conditions, send hormones to act on other glands to release their hormones

Question 5

What is the role of the thyroid gland

what hormone is produced + what does it do?

Answer 5

produces thyroxine that regulates metabolism, heart rate and temperature

Question 6

What is the role of the ovaries?

what hormone is produced?

Answer 6

produces oestrogen, involved in menstrual cycle

Question 7

What is the role of the adrenal gland?

what hormone + what does it do?

Answer 7

produce adrenaline, used to prepare body for ‘flight or fight’

Question 8

what is the role of the testes?

hormone + what it does

Answer 8

produce testosterone which controls puberty + sperm production

Question 9

What is the role of the pancreas?

hormone + what it does

Answer 9

produce insulin which regulates blood glucose levels