The medullary cavity of a long bone is lined with

A) periosteum.
B) endosteum.
C) lacunae.
D) lamellae.
E) osteon.


B) endosteum.

Anatomy & Physiology

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Circulation is vital because it

A) delivers carbon dioxide to tissues and removes excess oxygen. B) supplies oxygen and nutrients to and removes wastes from tissues. C) inflates the lungs. D) delivers wastes to tissues.

Anatomy & Physiology

In the temporomandibular joint, a pad of fibrocartilage called the ________ divides the synovial cavity into two separate chambers.

A. mandibular partition B. articular disc C. meniscus D. coronoid capsule E. sphenomandibular ligament

Anatomy & Physiology

If the amino acid coding region of a mRNA molecule is 1800 nucleotides (bases) in length, this molecule will contain _____ codons

A. 1200 B. 400 C. 900 D. 600 E. 800

Anatomy & Physiology

Among the components of the dermis are

a: sweat glands b: hair follicles c: collagen fibers d: sensory nerve endings e: arrector pili  muscles   A.  a, b, d B.  a, c, d C.  a, b, d, e D.  a, b, c, e E.  a, b, c, d, e

Anatomy & Physiology