B
B
B
D
say?
a. Arteries
b. Veins
C. Atria
16. All of the following actions are part of exhalation EXCEPT
A. the rib cage contracts inward
B. the volume of the chest cavity decreases
C. the diaphragm contracts and pulls downward
D. the pressure within the chest cavity increases
17. Which of these statements DOES NOT describe the trachea?
A. it is also called the voice box
B. It carries air to and from the lungs
C. Its lower end branches into smaller tubes
D. It contains rings of cartilage that prevent it from collapsing
18. Which of the following statements about the circulatory system is false?
A. Pumps the blood with the oxygenated red blood cells from the lungs via the
arteries throughout the body.
B. Absorbs oxygen from the air and transfer it to all parts of the body.
C. Supplies tissues in the body with oxygen and other nutrients, transports
hormones, and removes unnecessary waste products.
D. To transport carbon dioxide to the body's cells and carry away oxygen from
the cells
19. From what source do cells get their food?
A. Blood
B. Oxygen
C. Carbon dioxide
20. Which type of blood vessels carries blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
B
D
B​