Movement in the anterior-posterior plane that decreases the angle between articulating bones is which movement?

A) flexion
B) hyperextension
C) elevation
D) retraction
E) protraction


A) flexion

Anatomy & Physiology

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Indicate whether the statement is true or false

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Check all of the major hypotheses of aging.

A. Damage to mitochondria B. Presence of a "cell death clock" C. Damage to lysosomes D. Damage to the DNA from free radicals E. Presence of "death genes"

Anatomy & Physiology

The largest internal cellular structure is known as the ________ and is the cell's control center.

A. cytosol B. smooth ER C. lysosome D. nucleus E. Golgi apparatus

Anatomy & Physiology