Multiple Choice
During the embryonic period,the ectoderm is formed,which will become the ____.
A) skin, hair, nails, sensory organs and nervous system
B) muscles, bones, reproductive system and circulatory system
C) digestive and respiratory systems
D) hormonal and endocrine systems
Correct Answer:

Verified
Correct Answer:
Verified
Q64: In most cultures and throughout history,infertility has
Q65: What do fetuses do when their mothers
Q66: Human sex cells,sperm and ova,each contain how
Q67: Fernando and Rebecca are anxious to know
Q68: The totality of an individual's genes is
Q70: Which of the following is an example
Q72: Monozygotic (MZ)twins are also known as _.<br>A)
Q73: Which question best captures the spirit of
Q74: Lamar and Chandra recently got married and
Q226: What is the leading cause of low