Skeleton,muscles,blood vessels and the heart develop from which germ layer?
A) Endoderm
B) Mesoderm
C) Ectoderm
D) All of the choices are correct.
Correct Answer:
Verified
Q18: The developing embryo is termed a fetus
Q19: Ovulation in human females is triggered by:
A)a
Q20: Prior to ejaculation,mature sperm are stored where?
A)In
Q21: In humans,where does fertilization occur?
A)In the ovary
B)In
Q22: The secondary oocyte does not complete the
Q24: Which sexually transmitted disease is the most
Q25: Which part of the sperm cell contains
Q26: A human female is most likely to
Q27: A person with genital herpes can spread
Q28: How many sperm cells are produced for
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