The medullary cavity of bones contains

A) compact bone.
B) osteons.
C) cartilage.
D) marrow.
E) periosteum.


Answer: D

Anatomy & Physiology

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The basic contractile unit of a skeletal muscle is the:

a. sarcomere b. actin c. myosin d. Z-lines

Anatomy & Physiology

A DNA strand of ACTTCGCATG, when replicated, would yield a strand of the same

sequence. Indicate whether the statement is true or false

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________ nerves are composed of preganglionic sympathetic axons that did not synapse in a sympathetic ganglion.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following represents the largest and most complex level of structural organization in the human body?

a) chemical level b) cellular level c) tissue level d) organ level e) organismal level

Anatomy & Physiology