Structure H is the





A) retina.

B) sclera.

C) choroid.

D) ciliary body.

E) cornea.


C) choroid.

Anatomy & Physiology

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Pulmonary surfactant contributes to lung stability by ____________________ surface tension

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following organs does NOT contain lymphatic tissue?

A. Thymus B. Pharyngeal tonsils C. Liver D. Lingual tonsils E. Spleen

Anatomy & Physiology

What is the effect of sympathetic innervation to the lungs?

A. Increased activity of the mucociliary elevator B. Dilation of bronchioles C. Contraction of smooth muscle in the bronchioles D. Constriction of bronchioles E. Increased diameter of the bronchi

Anatomy & Physiology

The fraction of inspired oxygen (FIO2) increases with:

A) increased tidal volume. B) forceful inhalation. C) supplemental oxygen. D) an increase in respirations.

Anatomy & Physiology