Which of the following organs serves as a transition between the pharynx and the trachea?
a. nasal cavity
b. bronchi
c. larynx
d. alveoli
c. larynx
Biology & Microbiology
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Inhibition of the flexor muscle during the knee-jerk reflex is an example of:
A. negative feedback. B. homeostasis. C. reciprocal inhibition. D. All of the answer options are correct.
Biology & Microbiology
The opening in the front of the eye that is surrounded by the iris and through which light passes is the
A. pupil.
B. retina.
C. sclera.
D. aqueous humor.
E. iris.
Biology & Microbiology
Which one of the following is typical of meiosis? All the cells produced
A. are identical. B. contain more genes than the parent cells. C. are haploid. D. have undergone nondisjunction.
Biology & Microbiology
The enzyme that digests protein is ____.
A. ghrelin B. chyme C. pepsin D. sulfuric acid E. lipase
Biology & Microbiology