Biology Flashcards
what is the nervous system made up of?
neurones
What can a sensory receptor detect?
change in environment
What does the CNS consist of?
brain and spinal cord
where are electrical impulses passed along?
axon
what are axons surrounded by?
Fatty myelin sheath
The connection between a two neurones is called what?
synapse
Name the two main parts of the central nervous system?.
Brain and spinal cord and the peripheral nervous system
Hormones
What are hormones?
hormones are chemicals released by glands
what are the glands called?
Endocrine glands
What does the pituitary gland do?
This releases lots of different hormones and these hormones act on other glands, making them release hormones.
what is the pancreas main function?
This produces insulinand insulin controls the blood glucose level.
The menstural cycle
describe the stages of the menstrual cycle?
