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20 terms

6th Grade Science Human Organs

STUDY
PLAY
Iris
colorful area around the pupil that moves to enlarge or shrink the pupil
Lungs
takes in oxygen and gives off carbon dioxide
Pupil
hole in the eye that lets in light
Artery
Carries blood away from the heart to the rest of the body
Auditory Nerve
carries the nerve signals from teh ear to the brain
bones
206 in adult body
middle ear
hammer, anvil and stirrup
canine
tear food
vessels
transport blood
inner ear
choclea
Incisors
cut food
vein
carries blood to the heart
diaphragm
Organ below the lungs that pulls air in as it constricts and pushes air out as it relaxes
optic nerve
carries the nerve signals from the eye to the brain
muscles
over 630 in adult body
brain
divided into 4 lobes
molars
grind good
retina
part of the eye tha changes the light received into nerve signals tha the brain can read
lens
light travels through it and is focused onto the retina
heart
main organ of circulatory system; pumps blood