B3.1 Revision Flashcards
Links nervous to endocrine
hypothalamus
Releases and stores hormones
Pituitary gland
Contributes to coordination and precision
Cerebellum
Cerebellum
Contributes to coordination and precision
What part controls Long term memory + why do we know
Hippocampus + henry gustav molaison had parts removed and had memory loss
Regulate sleep
The pons
The pons
Regulate sleep
Name for unconscious shaping of the lens
Accommodation
Muscles that control lens
Ciliary muscle and suspensory ligaments (slacken and contract)
Muscles that control iris
Circular muscle and Radial Muscle (relax and contract) : dilute = big, contract = small
Sclera
Tough, supporting wall of eye
Retina
Contains light receptors, back of eye where light is focused
Forea
part of retina , point where light is focussed onto
Optic nerve
Carries impulses
Iris
Controls pupil diameter
What happens when there’s bright light
The pupil is made smaller so the circular muscles so the circular muscles contract and the radial muscles relax
What happens when you want to see far away
The lens is made more concaves so the ciliary muscles slack and the suspensory ligaments contract
Hyperopia reasons and how its fixed
Hyperopia is long sightedness and is caused by the eyeball being to short or