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What is 1 + 3?
These blood vessels carry blood away from the heart.
These blood vessels carry blood to the heart.
Join arteries and veins.
The top chambers of the heart.
The bottom chambers of the heart.
Prevent the blood from flowing the wrong direction.
White Blood Cells
Red Blood Cells
The liquid portion of blood.
Carry blood - arteries, veins and capillaries.
A muscle that pumps the blood.
Carries antibodies, oxygen, food, waste products and heat.
Along with the plasma, helps in blood clotting.
The only vein that carries blood rich in oxygen.
The only artery that carries blood that is not rich in oxygen.