The extraembryonic membrane that forms the urinary bladder is the
A) placenta.
B) allantois.
C) amnion.
D) chorion.
E) yolk sac.
B) allantois.
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This figure shows the thoracic cage. What vertebra is indicated by number 8?
A. T10 B. T12 C. L2 D. T1 E. L1
Sensory impulses from all of the senses except ________ converge on the thalamus and synapse in at least one of its nuclei.
A. vision B. taste C. touch D. olfaction E. hearing
The enzyme that harnesses the energy of H+ diffusion down its concentration gradient within a mitochondrion to make high-energy molecules for the cell is
A. ATP phosphatase. B. ATP synthetase. C. pyruvate decarboxylase. D. succinic dehydrogenase. E. creatine phosphatase.
Blood enters at the glomerular capillaries from the ________.
Fill in the blank(s) with the appropriate word(s).