Which of the following statements regarding swallowing is true?
A. Breathing occurs during swallowing.
B. The uvula rises during the esophageal phase.
C. Peristalsis occurs in all phases of swallowing.
D. The voluntary phase begins in the pharynx.
E. In the pharyngeal phase, food is moved through the pharynx.
Answer: E
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A. Coelom B. Amniotic cavity C. Yolk sac D. Somite E. Chorion
Sperms are formed in:
a. Testes b. Ovaries c. Seminiferous tubules d. Bulbourethral glands e. Rete testis f. Seminal Vesicle
The infrahyoid muscles
a. elevate the mandible b. move the mandible from side to side c. fix (prevent movement of) the hyoid d. both a and b are correct e. all of these are correct
Hemoglobin
A. transports O2 in the blood. B. gives white blood cells their color. C. is normally found in both the plasma and erythrocytes. D. is only used once then decomposed. E. catalyzes the reaction that forms carbonic acid.