circulatory system

Veins carry blood....

• to the brain

• to the heart

• away from the brain

• away from the heart

Arteries carry blood....

• to the brain

• to the heart

• away from the brain

• away from the heart

Where does blood go to absorb oxygen?

• brain

• heart

• mouth

• lungs

Which part of the blood carries oxygen?

• red blood cells

• white blood cells

• platelets

• plasma

Which part of the blood carries nutrients?

• red blood cells

• white blood cells

• platelets

• plasma

Which part of the blood fights disease?

• red blood cells

• white blood cells

• platelets

• plasma

Which part of the blood helps to stop bleeding?

• red blood cells

• white blood cells

• platelets

• plasma

Blood is red ONLY if it has oxygen in it.

• True

• False

Which type of blood vessel is only one cell thick?

• Veins

• Arteries

• Capillaries

The left ventricle is much more muscular than the right because...

• It pumps blood to the lungs

• It pumps blood to the whole body

• It pumps blood to the heart