Endocrine System

Question 1

What are hormones

Answer 1

Chemical molecules released directly into blood and carried to other parts of body but only affect particular cells in organs

Question 2

Where are hormones produced

Answer 2

Various gland called endocrine glands-make up endocrine system

Question 3

What are examples of the glands

Answer 3

-pituitary gland-produce hormones to regulate body conditions-called master gland as hormones act on other glands
-ovaries-produce oestrogen involved in menstrual cycle
-testes-produce testosterone which controls puberty and sperm production
-thyroid-produces thyroxine regulating body temp, heart rate, metabolism
-adrenal gland-produces adrenaline for fight or flight response
-pancreas-produces insulin to regulate blood level and glucose level

Question 4

What are hormones like

Answer 4

-Slower actions
-act for a long time
-act in more general way

Question 5

What are nerves like

Answer 5

-very fast action
-act for a short term
-act on very precise area