The major body part(s) derived from ectoderm is/are
A) the nervous system and skin.
B) bone tissue.
C) the respiratory tract,urinary bladder,and urethra.
D) the liver and pancreas.
Correct Answer:
Verified
Q37: The zona pellucida is
A)a protective layer around
Q38: The number of sperm cells that form
Q39: Sperm undergo capacitation
A)in the testicles as sperm
Q40: The head of a sperm contains the
A)cell
Q41: Which structures are part of the same
Q43: Amniotic fluid
A)absorbs wastes the fetus excretes.
B)protects the
Q44: The inner cell mass
A)helps form the amnion.
B)becomes
Q45: The partial twinning that led to the
Q46: The hormone measured in a pregnancy test
Q47: The placenta
A)is where blood cells form before
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