A pregnancy-specific organ formed from maternal and embryonic tissues and which exchanges nutrients, oxygen, and waste products between mother and fetus is called

A. a blastocyst.
B. placenta.
C. amniotic fluid.
D. the umbilical cord.


Answer: B

Nutritional Science

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The National Health and Nutrition Examination Survey is an example of:

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The _____ phase of the menstrual cycle occurs after ovulation

a. follicular b. luteal c. estrogen d. primordial e. FSH

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Describe how fiber-rich foods help with weight control

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