Here is a figure showing major body cavities and other structures. What does "A" represent?
A. Mediastinum
B. Thoracic cavity
C. Pelvic cavity
D. Abdominal cavity
E. Diaphragm
Answer: A
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The liver parenchyma, gallbladder, pancreas, and biliary apparatus develop from the endoderm of the
A. hepatic crest. B. transverse colon. C. lesser omentum. D. umbilical cord. E. duodenum.
Which area of the myogram shows a sustained contraction where individual twitches are indiscernible?
a) A b) B c) C d) D e) none of these choices
true or false? At the end of meiosis I, there are two haploid cells, each with two sister chromatids per chromosome.
a. true b. false
Estrogen levels rise during the follicular phase of the ovarian cycle, and estrogen assists with the development of the dominant follicle.
Answer the following statement true (T) or false (F)