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Components of Cardiovascular System

Heart, blood vessels and blood

Function of the Heart

Transport oxygen and nutrients to all parts of the body


Protective sac that enclosed the heart


Divides the heart into right and left sides and prevents the mixing of oxygen-poor and oxygen-rich blood


Upper chamber of heart


Lower chamber of heart

Right side of heart

Receiving blood from the body and pumping blood to the lungs; oxygen poor

Left side of heart

Receiving blood from the lungs and pumping blood to the body; oxygen rich


Largest blood vessel


Carry blood away from the heart


Carry blood toward the heart


Smallest vessels that bring oxygen and nutrients to the cells and absorb/remove carbon dioxide and wastes from cells

Ways to avoid Cardiovascular Disease

Getting regular exercise, Eating a balanced diet, Avoiding smoking, Reducing stress


Straw-colored fluid in blood that suspends the blood cells

Red blood cells

Disc shaped cells; contain hemoglobin that binds to oxygen in the lungs and transports it to tissues throughout the body

White blood cells

Considered the "army" of the cardiovascular system because they gruard against infection, fight parasites, and attack bacteria


Spcialized in blood clotting

Type O Blood

Universal Donor (can donated to anyone); Receive blood only from Type O

Type A Blood

Receive blood from Type O or other Type A; Donate to Type A or Type AB

Type B Blood

Receive blood from Type O or other Type B; Donate to Type B or Type AB

Type AB Blood

Universal receiver (can get blood from anyone); Donate to only other Type AB

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