During the formation of a long bone by endochondral ossification, osteoblasts first begin to lay down spongy bone in the ______________

Fill in the blank(s) with the appropriate word(s)


Answer: Primary ossification center

Anatomy & Physiology

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Specialized epithelial cells originating from the nail ________ form your nails.

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Muscle tone is ________.

A) the ability of a muscle to efficiently cause skeletal movements B) the feeling of well-being following exercise C) a state of sustained partial contraction D) the condition of athletes after intensive training

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In renal compensation of acidosis,

A. H+ secretion decreases; bicarbonate reabsorption increases. B. H+ secretion decreases; bicarbonate excretion increases. C. H+ secretion decreases; bicarbonate excretion decreases. D. H+ secretion increases; bicarbonate excretion increases. E. H+ secretion increases; bicarbonate reabsorption increases.

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The sural region is the

A. calf. B. armpit. C. hollow behind the knee. D. neck. E. thigh.

Anatomy & Physiology