The yolk sac
A) forms blood cells in early development.
B) provides nutrients to the fetus when the umbilical cord is disconnected.
C) stores metabolic wastes until the fetus is born.
D) gives rise to the primary germ layers.
Correct Answer:
Verified
Q49: A major body part derived from endoderm
Q50: Which of the following is not a
Q51: The placenta allows
A)oxygen and nutrients to diffuse
Q52: The major body part(s)derived from ectoderm is/are
A)nervous
Q53: The implantation of the blastocyst results from
A)enzymes
Q55: Amniotic fluid
A)stores nutrients for the fetus.
B)absorbs wastes
Q56: Following birth, the infant's metabolic rate
A)increases and
Q57: The inner cell mass
A)becomes part of the
Q58: Changes that occur as death approaches include
A)limbs
Q59: Which of the following is a function
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