Much of the filtration, warming, and humidification of the air that enters the respiratory system occurs in the

A) lungs.
B) trachea.
C) nasal passages.
D) bronchi.
E) tertiary bronchi.


C) nasal passages.

Anatomy & Physiology

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During the alarm phase of the general adaptation syndrome (GAS), there is

A) decreased blood flow to skeletal muscles and skin. B) decreased mental alertness. C) mobilization of energy reserves. D) increased urine release. E) decreased rate of respiration.

Anatomy & Physiology

Which of the following would be caused by a contraction of smooth muscle?

A. Blood leaving the left ventricle of the heart B. Elevating the eyebrows C. Blinking the eyelids D. Goose bumps E. Deep inspiration

Anatomy & Physiology

Which of the following is incorrect pertaining to the anatomy of the lung and/or pleura?

A) The parietal pleural generally extends three ribs inferior to the lung. B) The bifurcation of the trachea occurs approximately at the level of the sternal angle. C) The right main bronchus is wider and more vertical than the left. D) Each main bronchus supplies a lung. E) The right lung has a horizontal fissure.

Anatomy & Physiology

What does a megakaryocyte eventually become?

A) Thrombocyte B) Eosinophil C) Erythrocyte D) Neutrophil

Anatomy & Physiology