PE TEST 4 Section 1

What function do capillaries serve in the cardiovascular system? A. carry blood to the brain B. return blood to the lungs C. help control body temperature D. replace old blood cells

All cardiovascular diseases are caused by poor lifestyle choices.

Arteries carry oxygen-rich blood to capillaries.

The aorta pumps blood out of the heart to the rest of the body.

Once entering the nose, air moves through both the pharynx and larynx.

Air is warmed and moisten as it moves through both the mouth and nasal passages.

In the human body, the larynx is attached to the trachea.

White blood cells prevent the loss of blood by causing clotting.

The human cardiovascular system is considered closed because __________. A. blood is continuously circulated in the body. B. blood provides nutrients to organs. C. blood collects oxygen from the lungs D. there are no holes for blood to enter or leave the system

The right ventricle transports oxygenated blood to the lungs.

Each lung is fed oxygen by a separate bronchus.

Nutrients and waste both enter and leave cells through a process called __________. A. effusion B. diffusion C. fusion D. emulsion

Your friend Amanda suffers from a condition that reduces her blood's ability to carry oxygen. Which of the following is the name of that condition? A. emphysema B. hemophilia C. leukemia D. anemia

Both the heart and arteries contract to pump blood throughout the body.

What percentage of blood is made up of plasma? A. 55% B. 40% C. 10% D. 5%