Which of the following are true of macrophages?
A. They trap and filter cellular debris.
B. They remove old blood cells.
C. They are responsible for cellular immunity.
D. They filter harmful substances.
Answer: A
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With which governmental body must public schools comply?
A. only local B. local, state, and federal C. only local and state D. only federal
The mean is found by adding up all the data values and dividing that result by____.
A. the lowest data value B. the median C. the highest data value D. the total number of data values
Increased fiber intake decreases the risk for cardiovascular disease.?
Indicate whether the statement is true or false
________ can be defined as the process whereby energy is beamed from its source through space and matter to a selected target area
Fill in the blank(s) with correct word