Mastery 1C

What is the main function of red blood cells?

• To fight off infections and diseases.

• To carry oxygen from the lungs to the rest of the body.

• To help blood clot and form scabs.

• To transport nutrients and waste products throughout the body.

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What is the primary function of platelets in the blood?

• To carry oxygen throughout the body.

• To fight off infections and diseases.

• To help blood clot and form scabs.

• To transport nutrients and waste products throughout the body.

What is the main reason blood plasma can transport nutrients throughout the body?

• It is a thick liquid.

• It is made up mostly of water.

• It contains red blood cells.

• It is pumped by the heart.

How does the shape of red blood cells help them perform their function?

• Their round shape allows them to easily pass through blood vessels.

• Their flexible shape allows them to bend and fit through small blood vessels.

• Their flat shape allows them to carry more oxygen.

• Their shape helps them to fight off infections.

What happens to blood when it is drawn from the body and allowed to sit still?

• The blood cells rise to the top.

• The blood plasma settles to the bottom.

• The blood cells clump together.

• The blood plasma separates from the blood cells.

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Based on the text, what can you infer about the importance of blood to the body?

• Blood is only important for carrying oxygen.

• Blood is essential for transporting nutrients and waste products.

• Blood is only important for fighting off infections.

• Blood is not very important for the body.

Why are platelets important for the body's ability to heal?

• They carry oxygen to the injured area.

• They fight off infections in the wound.

• They help to form a clot to stop bleeding.

• They transport nutrients to the injured area.

Based on the text, what can you infer about the relative size of white blood cells compared to red blood cells?

• White blood cells are always smaller than red blood cells.

• White blood cells are always larger than red blood cells.

• White blood cells are usually larger than red blood cells, but not always.

• White blood cells and red blood cells are always the same size.

What can you conclude about the importance of blood plasma in the body based on its role in transporting nutrients and waste products?

• Blood plasma is only important for transporting nutrients.

• Blood plasma is only important for transporting waste products.

• Blood plasma is essential for both transporting nutrients and waste products.

• Blood plasma is not very important for the body.

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If a person is injured and bleeding, what can you infer about the role of platelets in stopping the bleeding?

• Platelets help to carry oxygen to the injured area.

• Platelets help to fight off infections in the wound.

• Platelets help to form a clot to stop the bleeding.

• Platelets help to transport nutrients to the injured area.