The work of breathing normally requires about 3% of total energy expenditure; this increases under all of the following situations except when
a. elastic recoil decreases
b. resistance increases
c. the partial pressure of oxygen increases in the air
d. ventilation increases
e. compliance decreases
C
Anatomy & Physiology
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The tonsils located at the base of the tongue are the ________.
A) lingual tonsils B) palatine tonsils C) pharyngeal tonsils D) Peyer's tonsils
Anatomy & Physiology
Discuss the two basic types of hormones, classified according to their chemical structure
What will be an ideal response?
Anatomy & Physiology
Transitional epithelium is found
A) lining the urinary bladder. B) lining the ducts that drain sweat glands. C) lining kidney tubules. D) lining the stomach. E) at the surface of the skin.
Anatomy & Physiology
Calcium that enters the cell during smooth muscle excitation binds with
a. calmodulin b. inactive myosin kinase c. troponin d. myosin e. actin
Anatomy & Physiology