If it were not for the __________, osteocytes in the outer lamellae of an osteon would not be able to transport their wastes to the bloodstream for removal.
A. matrix
B. nutrient canals
C. canaliculi
D. trabeculae
E. ruffled border
C. canaliculi
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Reflexes based on synapses formed during development are ________ reflexes
A) visceral B) innate C) acquired D) somatic E) intersegmental
The brain waves most closely associated with mental activity are
A) theta waves. B) alpha waves. C) beta waves. D) delta waves.
Which of the following statements concerning oogenesis is correct?
a. After menopause there are still many primary follicles in the ovary b. Polar bodies are larger than the ovum c. The second meiotic division occurs prior to fertilization d. Just before ovulation, the primary oocyte completes its first meiotic division e. The primary oocyte within a primary follicle is haploid cell.
What is true about the blood supply to the skin?
A) Both epidermis and dermis are poorly vascularized. B) Epidermis is avascular and dermis is richly vascularized. C) Epidermis is richly vascularized and dermis is avascular. D) Both epidermis and dermis are richly vascularized.