In spongy bone, the spaces between trabeculae are filled with ______.
a. solid cartilage
b. bone marrow
c. fat
d. air
Ans: b. bone marrow
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A burn affecting only the epidermis is a
A. second-degree burn. B. third-degree burn. C. deep partial-thickness burn. D. superficial partial-thickness burn.
Motor units that control skeletal muscles involved with fine motor movements (eye muscles or the hands) have ________ muscle fibers than motor units that control more gross movements (gastrocnemius muscle of the lower leg).
A) more B) the same number of C) fewer
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a. allows recognition of foreign proteins after they enter a cell b. a way for a certain enzyme to bind with the correct substrate c. a means to deliver vesicles to an appropriate site d. a mechanism necessary for receptor mediated endocytosis to occur e. all of the functions listed above
Mitosis in the ________ accounts for growth of the nail.
A. eponychium B. nail fold C. nail plate D. nail matrix E. hyponychium