G2 Sec 2 Transport System in Human

What is the function of red blood cells?

• To fight infections.

• To transport oxygen.

• To clot blood.

• To transport digested food.

___________ is a yellowish liquid in blood that transports water and dissovled substances like digested food and waste products produced by the cells.

• Plasma

• Platelets

• White blood cells

• Red blood cells

White blood cells

• are mostly water and transport substances around the body.

• transport oxygen around the body.

• protect the body from infections.

• clot the blood.

What is the function of platelets in the blood?

• To fight infections.

• To transport oxygen.

• To clot blood when the body is injured.

• To transport digested food.

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

Arteries

• carry blood to the heart

• carry blood away from the heart

Veins

• carry blood to the heart

• carry blood away from the heart

What are the smallest blood vessels that ensure oxygen and nutrients are delivered to the cells in the body?

• Capillaries

• Arteries

• Veins