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Which lymph nodes would likely become inflamed with an ear infection? 

Which of the following controls skin pigmentation?

How many times per minute does the average person inhale and exhale?

A high cholesterol level is associated with which condition?

A degenerative disorder of the nervous system that is characterized by hand tremors, loss of facial expression, and a shuffling walk is called:

Tachycardia refers to absence of a heartbeat.

The “tail” of a sperm cell that enables it to move toward the ovum is the:

The ________ is established by the Constitution and cannot be abolished by a congressional law.

There are ________ U.S. district courts.

________ powers are specifically established by the language of the Constitution.