The layers of the alimentary canal, from outside to inside, are the ________.
A. mucosa, muscular, submucosa, and serosa
B. serosa, muscular, submucosa and mucosa
C. mucosa, submucosa, muscular and serosa
D. serosa, muscular, mucosa and submucosa
Answer: B
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The frequency of a perceived sound depends on
A) the frequency of stereocilia vibration. B) the number of hair cells that are stimulated. C) which part of the cochlear duct is stimulated. D) the movement of perilymph in the cochlear duct. E) the frequency of vibration of the tectorial membrane.
The ____________________ vertebra is the vertebra prominens.
Fill in the blank(s) with the appropriate word(s).
If type A blood is infused into a patient with type O blood, which of the following adverse reactions would you expect to observe in the patient?
a) Agglutination (clumping) of the transfused blood cells. b) Complement-induced hemolysis of the transfused blood cells. c) Released hemoglobin clogging the filtration membrane of the kidneys. d) More than one of the answer selection is correct. e) No adverse reactions would occur.
Why do some herbivorous mammals have hypsodont (high-crowned) molars? Would herbivorous dinosaurs have encountered a similar problem?
What will be an ideal response?