What is the main function of the placenta?
A) screening out potentially harmful substances
B) exchanging blood between the mother and the developing embryo
C) protecting and surrounding the developing fetus
D) creating antibodies for the developing fetus
Correct Answer:
Verified
Q8: Cindy is doing a presentation on prenatal
Q31: Around day 14 of the embryonic period,
Q32: The neural tube will become the:
A) reproductive
Q34: In the fourth week after conception, a
Q41: Full-term pregnancies typically last _ from the
Q50: During the germinal period, the first task
Q57: The head begins to take shape in
Q94: Brown-eyed Alma has a blue-eyed mother and
Q117: When the effects of genes add up
Q140: Michael is color-blind. His gene for color
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents