Circulation

Blood consists of:

• the heart and the veins

• blood cells and arteries

• plasma and blood cells

These are types of blood cells:

• Red blood cells, platelets and white blood cells.

• Blue blood cells, purple blood cells and white blood cells.

• Platelets, arteries and red blood cells.

Which blood cells transport oxygen and carbon dioxide?

• Platelets

• Red blood cells

• White blood cells

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Which blood cells repair damage to the body and stop you from bleeding?

• Platelets

• Red blood cells

• White blood cells

Which blood cells defend your body from microorganisms and viruses?

• Platelets

• Red blood cells

• White blood cells

The three types of blood vessels are:

• Veins, arteries and capillaries.

• Veins, hearts and alveoli.

• Arteries, plasma and cells.

Veins carry blood to your heart.

• True

• False

Arteries don't carry blood away from your heart.

• True

• False

What occurs in the capillaries?

• Exchange of gases

• multiplication of blood cells

• elimination of carbon dioxide

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These connect arteries and veins:

• Valves

• Capillaries

• Ventricles