Urine flows through the ureters to the bladder as the result of ________.
A. gravity
B. peristaltic contractions
C. a concentration gradient
D. osmotic gradient
E. a pressure gradient
Answer: B
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The trophoblast of the implanted fertilized egg ultimately develops into the
A) Allantois. B) Amniotic cavity. C) Placenta. D) Zona pellucida.
Physiology is the study of:
A) body structure B) body function C) the nature, causes, and development of abnormal conditions D) diseases
Which does not occur during the G2 phase?
A. Enzymes needed for cell division are synthesized. B. Centriole replication is completed. C. Organelle production continues. D. Each DNA molecule replicates. E. No exceptions; all of these occur during the G2 phase.
true or false: the hamstrings are the major extensors of the knee.
What will be an ideal response?