The initial site of both mechanical and chemical digestion is the
A. stomach.
B. small intestine.
C. esophagus.
D. oral cavity.
E. pharynx.
D
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Which of the following is the heel bone?
A) talus B) navicular C) calcaneus D) cuboid E) patella
Which structures monitor rotational acceleration of the head?
A) cristae of the semicircular canals B) maculae of the utricle and saccule C) maculae of the utricle only D) maculae of the saccule only
Friction ridges of the hands and feet are produced by projections into the epidermis called ________.
A. dermal striae B. reticular lines C. dermal papillae D. melanocytes E. cleavage lines
These muscles increase thoracic cavity dimensions by elevating the first and second ribs during forced inhalation.
A. Internal intercostals B. Serratus posterior inferior C. Scalenes D. External intercostals E. Transversus thoracis