What structure marks the beginning of the lower respiratory system?

a. pharynx
b. trachea
c. internal nares
d. larynx


Answer: d. larynx

Anatomy & Physiology

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Muscles visible at the body surface are often called

A) internus. B) extrinsic. C) profundus. D) intrinsic. E) superficialis.

Anatomy & Physiology

The mass of capillaries in the renal corpuscle is called the ________.

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

Anatomy & Physiology

Define these terms:

What will be an ideal response?

Anatomy & Physiology

Osseous tissue is a(an) ________ tissue.

A. connective B. dense regular C. dense irregular D. reticular E. epithelial

Anatomy & Physiology