One of the Important Agents of the Immune System Is

question 329

Multiple Choice

One of the important agents of the immune system is

• A)serotonin.
• B)the heart.
• C)the adrenal gland.
• D)the macrophage cell.

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Definitions:

Empty Nest

The time in the lives of parents when their children have left the family home to pursue their own lives.

Unionized Mechanic

A mechanic who is a member of a labor union, which provides certain protections, benefits, and collective bargaining power regarding their work conditions and wages.

Independently Employed

The state of working for oneself as a freelancer or the owner of a business rather than being employed by someone else.

English Professor

An academic professional specializing in the study, teaching, and research of the English language and literature.