The ________ is the conduit of blood vessels through which oxygen,nutrients,and waste material are transported between the ________ and the embryo.
A) placenta;umbilical cord
B) placenta;fetus
C) umbilical cord;fetus
D) umbilical cord;placenta
Correct Answer:
Verified
Q39: During the fetal period,many organs and structures
Q40: Fetal kicks and brain wave patterns commonly
Q41: The most prevalent teratogenic cause of mental
Q42: Ryan was born to a drug-addicted mother
Q43: Teratogens are
A) drugs used to treat congenital
Q45: Medical concerns are linked to the use
Q46: The fetus receives substances that the mother
Q47: The amniotic sac is the
A) fluid-filled membrane
Q48: A "sleeper effect" is said to occur
Q49: The principle of interference with specific mechanisms
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