What is the spheroidal stage of early prenatal development with about 16 to 64 cells called?
A. Zygote
B. Embryo
C. Blastomere
D. Morula
E. Blastocyst
D. Morula
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In the epidermis, the layer where keratinocytes contain keratohyalin granules is the stratum __________.
Fill in the blank(s) with the appropriate word(s).
Physical evidence that supports the sliding filament theory of muscle contraction includes
A) constant distance between Z lines during contraction. B) decreased width of the H band during contraction. C) increased width of the I band during contraction. D) decreased width of the A band during contraction. E) the I band + H band distance is constant during contraction.
Select the primary buffer system in the ECF
a. bicarbonate/carbonic acid b. chloride/hydrochloric acid c. hemoglobin d. phosphate e. protein
What is the term for a faster-than-normal breathing rate?
A. Dyspnea B. Apnea C. Hyperpnea D. Eupnea