What Will Happen by the End of the Eighth Week

question 22

Multiple Choice

What will happen by the end of the eighth week of development?  

• A) Limbs form, and paddles at their ends are sculpted into digits.
• B) The umbilical cord and the circulatory system develop.
• C) All of the organ systems will be formed, and apoptosis has eliminated the tail.
• D) The fetal heartbeat can be heard clearly through a stethoscope positioned on the mother's abdomen.
• E) The fetus has begun not only to detect sounds but also to remember some of them.