In which trimester does the following occur? the placenta begins absorbing nutrients and oxygen from the mother's body.

Answer

Conception to about the 12th week of fertilization rates the first trimester. The second trimester is weeks 13 to 27, and the third trimester begins about 28 weeks and lasts till birth. This slideshow will examine what happens to both the mother and baby through each trimester.

answer; /// i believe that the correct answer is (d); /// alternate walking and running;

what are the possible statements?