Which is the actively growing part of the nail?
A. Nail folds
B. Nail matrix
C. Nail root
D. Free edge
E. Nail bed
Answer: B
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Briefly state the functions of the rough and smooth endoplasmic reticulum
What will be an ideal response?
Which tissue forms a continuous sheet of cells with no blood vessels?
a. epithelial tissue b. connective tissue c. muscle tissue d. nervous tissue
The aortic baroreceptor senses stretching of the aorta. How will the nervous system respond?
A. Parasympathetic signals will be sent to decrease heart rate. B. Parasympathetic signals will be sent to increase heart rate. C. Sympathetic signals will be sent to increase heart rate. D. Sympathetic signals will be sent to decrease heart rate.
At high altitudes, the alveolar
a. is higher than normal b. is lower than normal c. is higher than normal d. and are higher than normal e. is lower than normal and is higher than normal