poo and *middle finger*
i have no idea so someone help me !
water
k
your nan
The blood is "grown" by the fetus along with the organs and bones. The fetal blood supply is separate from the mother's. The two blood systems interact through the placenta - oxygen and food pass though to the fetal blood from the mother, waste products flow from the fetus to the mother.
The placenta is the organ that connects mother to fetus. It lets nutrients in to nourish the growing fetus and lets waste product out to be discarded by the mother with out ever mixing the blood between the two.
The placenta is the organ that connects mother to fetus. It lets nutrients in to nourish the growing fetus and lets waste product out to be discarded by the mother with out ever mixing the blood between the two.
Through the umbilical cord. The waste products in the blood stream of the fetus is passed into the blood stream of the mother. Then, she, ahem, gets rid of the waste herself for the both of them. Through the umbilical cord and placenta.
Fetus.
the heart i beating and is kicking
The mother shares her blood with the fetus. The fetus makes its own blood. The mother's blood comes in close proximity to the fetal blood to exchange oxygen and nutrients, but the two bloods do not mix. If they mixed, mother and baby would always have the same blood type - which is not true.
food and water
The female fetus has a Y chromosome while the fetus only has two x chromosome.
One waste product is carbon dioxide.
The term "fetus" refers to the stage of development after the embryo. The two-cell stage of development comes well before the embryonic stage. There is no point at which a fetus, by definition, has two cells.
1. the substance has a hydrophilic nature 2. the substance is moving against a concentrated gradient