What allows the zygote to develop female anatomy?
A. The absence of androgen receptors
B. XX chromosomes
C. The absence of the SRY gene
D. All of the answers are correct.
Answer: D
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During implantation, the developing blastocyst receives nutrients from (the)
A) chorion. B) endometrial glands. C) cellular trophoblast. D) placenta. E) None of the answers are correct.
Lymphatic capillaries are able to receive cellular debris and foreign particles because ________________.
A) of the structure of their flaplike valves B) the fluid pressure is so great it forces this material into the capillaries C) lymphatic and cardiovascular capillaries are designed to receive this material D) of amoeboid motion of the foreign particles
Distinguish among efferent vessels, afferent vessels, and exchange vessels
A) Efferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, afferent vessels carry blood away from the heart, and exchange vessels carry blood to the heart. B) Efferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, afferent vessels carry blood to the heart, and exchange vessels carry blood away from the heart. C) Efferent vessels carry blood to the heart, afferent vessels carry blood away from the heart, and exchange vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid. D) Efferent vessels carry blood away from the heart, afferent vessels carry blood to the heart, and exchange vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid. E) Efferent vessels carry blood to the heart, afferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, and exchange vessels carry blood away from the heart.
"Heartburn" following a large meal is usually due to pressure of the stomach against the heart
Indicate whether the statement is true or false.