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___________pass(es) from the maternal blood to the fetal blood. Fetal__________ pass(es) the other way.

A.

Wastes; nutrients and oxygen

B.

Oxygen and nutrients; wastes

C.

Wastes and nutrients; oxygen and carbon dioxide

D.

Carbon dioxide; nutrients

Answer and Explanation

The Correct Answer is B

A. Wastes; nutrients and oxygen: Wastes pass from the fetal blood to the maternal blood, and nutrients and oxygen pass from the maternal blood to the fetal blood.

B. Oxygen and nutrients; wastes: Oxygen and nutrients pass from maternal blood to fetal blood, and wastes pass from fetal blood to maternal blood.

C. Wastes and nutrients; oxygen and carbon dioxide: Nutrients and oxygen pass from maternal to fetal blood, while wastes and carbon dioxide pass from fetal to maternal blood. This option is incorrect because it lists wastes and nutrients incorrectly.

D. Carbon dioxide; nutrients: Carbon dioxide and other wastes pass from fetal to maternal blood, while nutrients pass from maternal to fetal blood.


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Related Questions

Correct Answer is True

Explanation

Progesterone actually works to maintain the uterine lining and prevents uterine contractions during pregnancy, helping to prevent premature labor. Therefore, this statement is false.

Correct Answer is A

Explanation

A. Uterine tube: Fertilization typically occurs in the uterine tube (also known as the fallopian tube). The sperm travels from the cervix through the uterus and into the uterine tube, where it meets and fertilizes the egg.

B. Uterus: The uterus is where the fertilized egg implants and develops into a fetus, but it is not where fertilization occurs.

C. Ovary: The ovary is where eggs are produced and released during ovulation, but fertilization does not occur here.

D. Urinary bladder: The urinary bladder is part of the urinary system, not the reproductive system, and has no role in fertilization.

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