1
The heart is a ________.
a. vein
b. blood vessel
c. muscle
d. bone
C. Muscle
Blood delivers _______ to all cells.
a. oxygen
b. carbon dioxide
c. water
d. sugar
a. oxygen
Which one is NOT a part of the circulatory system?
a. heart
b. lungs
c. veins
d. arteries
b. lungs
Which of the following is NOT a function of the circulatory system?
a. deliver oxygen and nutrients
b. storing waste
c. help fight illness
d. regulate body temperature
b. storing waste
Tubes that carry blood away from your heart are called ________.
a. arteries
b. veins
c. capillaries
d. cells
a. arteries
The movement of blood through the heart and around the body is called _______.
a. pulse
b. blood pressure
c. heart beat
d. circulation
D. Circulation
Arteries carry blood pumped to smaller branches called ________.
a. blood vessels
b. veins
c. capillaries
d. cells
c. capillaries
Tubes that drain blood back to the heart are called _______.
a. arteries
b. veins
c. capillaries
d. cells
b. veins
_______ carry blood around the body.
a. lungs
b. heart
c. blood vessels
d. cells
c. blood vessels
On its way back to the heart, blood picks up ______ for removal.
a. nutrients
b. oxygen
c. water
d. waste
d. waste