Nutrition II

What do the arteries do?

• Carry blood back to the heart.

• Carry blood away from the heart

• Gas exchange takes place there

What do veins do?

• Carry blood away from the heart

• Carry blood back to the heart.

• Gas exchange takes place there.

What happens in the capillaries?

• Gas exchange occurs there.

• Blood is carried back to the heart.

• Blood is carried away from the heart.

What does plasma do?

• Carries oxygen from the lungs to all body cells

• Transports nutrients and waste around the body

• Helps stop bleeding

• Protects the body from germs and disease.

What do red blood cells do?

• Transport nutrients and waste around the body.

• Carry oxygen from the lungs to all the body cells.

• Protect the body from germs and disease.

• Fragments of old cells that help to stop bleeding.

What do white blood cells do?

• Fragments of old cells that help to stop bleeding.

• Transport nutrients and waste around the body.

• Carry oxygen from the lungs to all body cells.

• Protect the body from germs and disease.

What do platelets do?

• Fragments of old cells that help to stop bleeding.

• Carry oxygen to all the body cells.

• Transports nutrients and waste around the body.

• Fights germs and disease

How many chambers does the heart have?

• 1

• 2

• 3

• 4

Where does blood enter the heart?

• Right and left ventricles.

• Right and left atria

• Right ventricle and left atria

• Right atria and left ventricle

Where does the blood leave the heart?

• Right atria and left ventricle

• Right ventricle and left atria

• Right and left ventricles

• Right and left atria