Circulatory System

13 terms by Texastech7 

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Heart

Muscular organ that pumps blood throughout the body

Heartbeat

Muscle contraction that pushes blood through the blood vessels. You will hear the valves opening and closing

Blood Vessels

Arteries=> Capillaries => Veins

Arteries

Muscular blood vessels that carry blood with oxygen away from the heart.

Pulmonary Artery

Carries blood from the heart to the lungs, the only artery that doesn't carry oxygenated blood

Aorta

Largest human artery that carries blood from the heart to the body

Capillaries

Smallest blood vessels where substances are exchanged by the process of DIFFUSION.

Veins

Carry blood with CARBON DIOXIDE to the heart from the body

Pulmonary Vein

Carries blood from the lungs to the heart, the only vein that carries oxygenated blood

Superior Vena Cava

Largest human vein

White Blood Cells

Are also made in blood marrow and are they body's disease fighters that kill disease-causing organisms by releasing antibodies

Platelets

Cell fragments that cause blood to clot to stop bleeding

Antigens

Protein makers (A & B) on red blood cells that determine a person's blood type and stimulate the production of antibodies. Their are four types of blood: A, B, AB, & O.

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