Biology, 13.11.2019 02:31 jmathematics7806
Occasionally, during pregnancy, the placenta can
separate from the uterus. this causes a
disruption in development and sometimes death
of the fetus. harm to the developing fetus might
occur because the placenta
(1) transfers oxygen and nutrients to the fetal
blood
(2) sends maternal blood into the fetus
(3) supplies milk for the fetus
(4) breaks down wastes of the fetus
Answers: 3
Biology, 22.06.2019 13:00
This is a biological reaction due to a stimulus. i need this quickly !
Answers: 1
Biology, 22.06.2019 14:30
Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
Occasionally, during pregnancy, the placenta can
separate from the uterus. this causes a
...
separate from the uterus. this causes a
...
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