Loss of bone mass has been found in which of the following?

A. bed-ridden patients
B. astronauts
C. tennis players
D. both A and B
E. all of the above


D. both A and B

Anatomy & Physiology

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Thymine is replaced by which nitrogen base in RNA?

A) ribose B) uracil C) guanine D) thymine is not replaced in RNA E) cytosine

Anatomy & Physiology

____________________ anemia results from the failure of the bone marrow to produce sufficient numbers of red blood cells

Fill in the blank(s) with correct word

Anatomy & Physiology

Of the following muscles of the head, which one aids in chewing?

A) nasalis B) temporalis C) orbicularis oculi D) masseter

Anatomy & Physiology

The "kissing muscle" that purses the lips is the

A) zygomaticus major. B) orbicularis oris. C) buccinator. D) levator labii superioris. E) procerus.

Anatomy & Physiology