4
2
11. In which chamber does the blood flow while
transporting fresh oxygen?
A. 1
B. 2
C. 3
D. 4
Figure from DepEd BLR illustrations
18
12. What type of circulation carries oxygenated blood to the body?
A. Bodily Circulation
C. Pulmonary Circulation
B. Coronary Circulation
on Systemic Circulation
13. In order for the body to maintain homeostasis, the intake of oxygen into the
lungs must be followed by which process?
A. A decrease in blood flow.
C. An increase in blood pressure.
B. A decrease in gas exchange. D. The exhalation of carbon dioxide.
14. How do the respiratory and circulatory systems work together?
A. They supply the body's cells with oxygen.
B. They are responsible for the movement of the body.
C. They break down food into energy and eliminate waste.
D. They send chemical signals throughout the body via hormones.
15. The circulatory and respiratory systems work together to provide cells with
oxygen and nutrients and remove wastes such as carbon dioxide. When the
body needs more oxygen, how does the circulatory system respond?
A. The heart beats faster to match the increase in breathing rate.
B. More blood is sent to the lungs and less to the rest of the body.
C. The blood vessels in the arms and legs constrict to conserve oxygen.
D. Blood moves more slowly through the organs to carry away more
wastes.​