Info

System

Major structures

Functions

Skeletal

bones

provides structure; supports and protects internal organs

Muscular

muscles (skeletal, cardiac, and smooth)

provides structure; supports and moves trunk and limbs; moves substances through body

Integumentary

skin, hair, nails

protects against pathogens; helps regulate body temperature

Cardiovascular

heart, blood vessels, blood

transports nutrients and wastes to and from all body tissues

Respiratory

air passages, lungs

carries air into and out of lungs, where gases (oxygen and carbon dioxide) are exchanged

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