The umbilical artery carries
A) wastes from the fetus, and is oxygenated.
B) wastes from the fetus, and is deoxygenated.
C) nutrients from the mother, and is oxygenated.
D) nutrients from the mother, and is deoxygenated.
E) None of the choices are correct.
Correct Answer:
Verified
Q23: The release of hCG from the embryo
Q24: Immature eggs are called
A)primordia.
B)primary oocytes.
C)lecithals.
D)corpus lutea.
E)ova.
Q25: Which of the following is a male
Q26: The hormones prolactin and oxytocin
A)induce the mammary
Q27: A high-protein fluid secreted from the mother's
Q29: A _ developmental stage is a solid
Q30: The birth process is called
A)hatching.
B)gestation.
C)ovulation.
D)menstruation.
E)parturition.
Q31: Spontaneous activation of an unfertilized mature egg
Q32: In human females,if fertilization does not occur,
A)the
Q33: The most primitive mammals,the monotremes,are
A)oviparous.
B)parthenogenetic.
C)viviparous.
D)ovoviviparous.
E)protandric.
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