How do the muscles of the mandible, tongue, and pharynx work together in chewing and swallowing food?
What will be an ideal response?
The muscles of mastication move the lower jaw during chewing and grinding of food. The muscles of the tongue manipulate food within the oral cavity in preparation for swallowing. The pharyngeal muscles are important in the initiation of the swallowing reflex.
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The structure of a ________ includes a core of nonpolar triglycerides and cholesterol esters coated by proteins, phospholipids, and some free cholesterol.
A. lipoprotein B. prostaglandin C. nucleic acid D. glycoprotein
The structure that provides posterior support to the larynx is the
A) glottis. B) cricoid cartilage. C) epiglottis. D) arytenoid cartilage. E) cuneiform cartilage.
Sperm release ________ to break down the bonds between adjacent follicle cells surrounding the oocyte
A) relaxin B) hyaluronidase C) calcium D) zonal inhibiting proteins E) glucose
IgA is primarily found
A. in blood. B. in external secretions such as tears, saliva, and mucus. C. in lymph. D. on the surface of B-lymphocytes. E. in the thymus, spleen, and lymph nodes.