Which of the following is not a valve?
a. ileocecal valve
b. anal column
c. semilunar valve
d. uvula
Answer: d. uvula
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The corticospinal system controls fine, discrete, voluntary body movements
Indicate whether the statement is true or false
____________________ refers to the life-threatening allergic phenomenon characterized by severe hypotension and profound bronchial constriction due to the presence of large amounts of chemical mediators in the blood released from mast cells and basophils in response to a particular allergen
Fill in the blank(s) with correct word
Within the nucleus, where does ribosome assembly occur?
A) centromere B) nuclear pore C) nucleolus D) nucleoplasm
The protein that makes the skin water resistant is ________
A) melanin B) keratin C) elastin D) collagen