The portion of the pharynx continuous with the mouth is termed the oropharynx
Indicate whether the statement is true or false
TRUE
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A. To transmit sound waves to the inner ear B. To equalize air pressure between the atmosphere and the middle ear C. To prevent the invasion of microorganisms into the inner ear D. To provide a passageway for fluid from the middle to the inner ear
Arrange the middle ear bones from lateral to medial. a: Stapes b: Incus c: Malleus A. a, b, c B. b, a, c C. c, a, b D. a, c, b E. c, b, a
Match the following:
A) AV node B) Purkinje fibers C) AV bundle D) SA node 1) The pacemaker of the heart. 2) Found in the interventricular septum. 3) Network found in the ventricular myocardium. 4) The point in the conduction system of the heart where the impulse is temporarily delayed.
The ____________________ is the energy expenditure (i.e., rate of heat production) per unit of time
Fill in the blank(s) with correct word
Before B cells secrete antibodies, they differentiate into ________
A) macrophages B) T cells C) antigen-presenting cells D) plasma cells E) stem cells