Which of the following statements regarding swallowing is true?
A. The voluntary phase begins in the pharynx.
B. In the pharyngeal phase, food is moved through the pharynx.
C. The uvula rises during the esophageal phase.
D. Peristalsis occurs in all phases of swallowing.
E. Breathing occurs during swallowing.
B
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In the thyroid hormones T3 and T4, the 3 and 4 refer to the
A) Relative half-life (3 or 4 hours). B) Number of tyrosine molecules linked together. C) Number of iodines which are found on the hormone. D) Number of enzymes required to synthesize the hormone.
Ribosomes bring together all components that participate in protein synthesis and provide the enzymes and energy required for linking the amino acids together
a. True b. False Indicate whether the statement is true or false
The membrane that covers the outer surface of the eye and lines the eyelids is the ________
A) choroid B) sclera C) conjunctiva D) retina
The main difference between regular dense and irregular dense connective tissue is how the collagen fibers are arranged.
Answer the following statement true (T) or false (F)