6th Grade Science Human Organs

20 terms by Ccsexton

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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

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