Which of the following cell layers differentiates into the digestive organs?
A) mesoderm
B) ectoderm
C) endoderm
D) intestinal duct
Correct Answer:
Verified
Q14: Hyaluronidase is
A)the fertilized egg.
B)a protective layer surrounding
Q15: The lashing action that moves the sperm
Q16: Fertilization occurs in the
A)ovary
B)fallopian tube
C)cervix
D)uterus
Q17: Once an egg is fertilized,it goes through
Q18: Of the original sperm released by the
Q20: Sperm may arrive at the egg as
Q21: The mass of tissue that allows nutrients
Q22: During pregnancy,physical problems such as constipation,nosebleeds,and/or edema
Q23: Nägele's rule is used to
A)determine whether pregnancy
Q24: The placental barrier between fetal blood and
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