Thymosin is a hormone produced by the thyroid gland and it stimulates the formation of T cells
Indicate whether the statement is true or false
F
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Generation of respiratory rhythm is now known to lie in the:
a. medullary respiratory center b. pneumotaxic center c. respiratory modulator d. pre-Bötzinger complex e. apneustic center
What is a synergist?
A. The muscle that opposes the prime mover B. A muscle that may stabilize a joint or modify direction of movement at the joint C. The muscle that produces the most force during an action D. A muscle that prevents a bone from moving E. A molecule that provides energy for muscle contraction
Answer the following questions true (T) or false (F)
1. Salivation is primarily controlled by nerves of the parasympathetic nervous system which release acetylcholine onto the acinar cells of the salivary glands. 2. Of the three regions of the pharynx, only the nasopharynx and laryngopharynx are part of the alimentary canal. 3. The stomach differs anatomically from other organs of the alimentary canal because it has an additional oblique layer of muscularis externa for churning.
The two major phases of swallowing include an involuntary buccal phase and a voluntary pharyngeal-esophageal phase
Indicate whether the statement is true or false