COL #3 Body Systems
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14 Terms
What is the function of the cardiovascular system
transporting nutrients, gases, hormones, and other critical molecules throughout the body
What does the cardiovascular system consist of
the heart, blood, and blood vessels
What other system does the cardiovascular system work closely with
the respiratory system
Characteristics of the heart
muscular pump
contracts to move blood through the chambers and blood vessels throughout the body
What are the four chambers of the heart
left/right atrium
left/right ventricle
Do the atria receive or pump out
receive
Do the ventricles receive blood or pump it out
pump it out
What is the order of you
arteries → arterioles → capillaries → venules → veins
What are arteries
vessels that carry blood away from the heart
What are veins
vessels that return blood to the heart
What does “blue” blood mean
its de-oxygenated (not much O2)
What does “red” blood mean
its oxygenated
What is the respiratory system surface
the surface acrosss which oxygen enters and carbon dioxide leaves
What are capillaries
sites of gas exchange between the air and blood