science eyeball etc Flashcards
s (28 cards)
cornea
allows light to pass through, fixed lesn, focuses on light
pupil
black hole where light enters eye, gets larger when light needs to enter
iris
controls light to enter, and amount of light to enter
sclera
supports eyeball, provide muscle attachements
lens
allows to see near and far objects, converging lens
retina
converts light to electrical waves
optic nerve
sends electrical to brain from retina
blind spot
back of eye, other eye compensates this area
What gland is known as the “Master Gland?”
pituitary
Which gland releases melatonin (helps you sleep)?
pineal
Which gland controls your metabolism?
thyroid
where is the thyroid and parathyroid located?
both neck and throat
Which gland is located on top of the kidneys?
adrenal
Which gland controls your fight or flight reflex?
adrenal
Which gland helps you fight infection?
thymus
he ovaries produce which hormone
estrogen
the endocrine system uses chemical messengers in the body called _____________
hormones
Tissues found in your body called endocrine glands produce chemical messages called ___________
hormones
Horomones are directly released from their glands into what other system?
circalortory
Which gland controls growth and development?
peneal
Which gland fights infections?
thymus
Which gland fights infections?
negative feedback system
Which is NOT ONE of the Major parts of the BRAIN?
cranium
This controls movement, balance & muscle control
cerbullum
