The primary function of white blood cells is to
A) remove carbon dioxide from active cells.
B) clump together and stick to the blood vessel walls.
C) carry oxygen from the lungs to the body's cells.
D) carry nutrients from the digestive system to the body's cells.
E) help defend the body against pathogens.
E) help defend the body against pathogens.
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Which of the following is an example of an inert gas?
A) Neon B) Oxygen C) Hydrogen D) Phosphorous
Which position on the climate control panel should the driver select to avoid having the air-conditioning compressor turn on?
A) Defrost B) Heat C) AC D) Both A and B
A cooling system bleeder valve is used to ________
A) Control system pressure B) Remove excess coolant C) Bleed out any brake fluid that may have gotten into the cooling system D) Release air from the system when refilling
A basin wrench is used for hard-to-reach positions such as faucet basin nuts.
Answer the following statement true (T) or false (F)