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Embryo excretes nitrogenous wastes into it?
Embryos excretes nitrogenous wastes into the placenta.
How are nutrients and wastes passed between the mother and baby?
Through the umbilical cord and the placenta.
Organ through which an embryo receives nourishment and gets rid of wastes?
Placenta
What Substances is not reabsorbed by blood after it passes through the kidneys?
wastes
What supplies food and oxygen for the developing embryo?
The developing embryo is nourished by the yolk sack until implantation. Upon implantation the placenta begins to develop, the placenta acts as the fetal lung , it transports oxygen to the fetus and carbon dioxide away from the fetus via the umbilical cord. The placenta also provides stored carbs for the developing fetus.
Describe how the embryo receives oxygen and nutrients and how it gets rid of wastes?
its gets it all through the umbilical cord
What differences in fetal elimination of nitrogenous wastes account for the structural differences beteen pigs and humans?
There isn't a difference in fetal elimination of nitrogenous wastes between a pig and a human. Both send the waste back to the mother through the umbilical cord where the mother excretes the waste.
How do embryos receive oxygen and nutrients and how does it get rid of wastes?
wastes are removed via the placental blood system (hence the mother feels sick and vomits) the embryo doesn't defecate until it is born
What differences in fetal elimination of nitrogenous wastes account in a pig?
Humans and pigs both use the umbilical cord for fetal elimination of nitrogenous wastes. Both send the waste back to the mother through the umbilical cord and then the mother excretes the waste.
Sponges eliminate carbon dioxide and cellular wastes by?
allowing them to diffuse into the water that passes through sponge
Do cats have belly buttons?
They sure do! Just like you cats, dogs, horses, and giraffes are all placental mammals. Placental mammals develop inside their mother. Nutrients, oxygen, and wastes are exchanged between the developing embryo and the mother through a placenta. An umbilical cord connects the embryo to the placenta. The navel or belly button is where the umbilical cord was attached to the young placental mammal. So even though you may not notice it unless you look very carefully, dogs and cats do, indeed, have belly buttons.
Where are nutrients absorbed into the blood through the walls of?
It passes through the wall of the digestive system, then into the blood.
