Question 1
During the embryonic period, the mesoderm is formed, which will become the ____.
◦ skin, hair, nails, sensory organs, and nervous system
◦ muscles, bones, reproductive system, and circulatory system
◦ digestive and respiratory systems
◦ hormonal and endocrine systems
Question 2
Fernando and Rebecca are anxious to know the sex of their baby. It would not be until the end of the ____ month of pregnancy that they can find out, because the genitalia will not have fully formed before then.
◦ 2nd
◦ 3rd
◦ 4th
◦ 5th