Which organ system is the first of those listed to begin development in the human embryo?
A) nervous system
B) excretory system
C) reproductive system
D) skeletal system
E) endocrine system
Correct Answer:
Verified
Q52: Which developmental event occurs last?
A)tissue specialization and
Q53: What type of reproduction produces genetic clones
Q54: What stimulates muscle contractions during labor?
A)HCG
B)estrogen
C)signals from
Q55: Menstrual flow begins in response to _.
A)rising
Q56: The blood vessels of the umbilical cord
Q58: If this pathogen, which is found in
Q59: The binding of the sperm membrane to
Q60: All cells in an embryo have the
Q61: Match the human developmental stage with the
Q62: The presence of which hormone in a
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