Jalynn is in the last half of the first month of her pregnancy. Which of the following is developing the fastest?
A) circulatory system
B) endocrine system
C) nervous system
D) skin
Question 2
During the period of the embryo, the __________ becomes the __________.
A) mesoderm; nervous system, lungs, internal organs, and skin
B) chorion; endocrine system, muscles, placenta, and skeleton
C) ectoderm; circulatory system, skin, skeleton, and internal organs
D) endoderm; digestive system, lungs, urinary tract, and glands
In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many
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