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What is immunity proveded by antibodies being passed through the placenta or mother's milk?
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How do you acquire passive immunity?
You can get passive immunity through a placenta when you are a fetus in your mothers womb or you can be injected with antibodies that have most likely been forced to grow due to somebody putting a disease in an animal such as a rabbit. Unfortunately passive immunity does not last very long because the antibodies are detached from their white blood cells which keeps them a live and also stores the antibodies in their memory so you can not become immune forever via passive immunity as it is only passive e.g. short lived/quick
Why is passive immunity of much shorter time or duration than active immunity?
With active immunity, the body has cells that produce antibodies to antigens composed of amino acids. The antigen could be a protein itself, or on a virus or bacteria. Once the body has a cell that can produce antibodies to this antigen, it differentiates into memory cells and plasma cells, which are the factories that produce the antibodies. With passive immunity, just the antibodies are given, such as an injection. Mothers also confer passive immunity to their children through breast milk. IgA (one of the 5 antibody classes) is secreted. This is temporary as it will bind the antigen, but will not induce production of their own protective antibodies.
How does the embryo get nourished in the mothers body?
by placenta
How can a new born baby be immune to measles?
Because their mothers are immune to it and breast fead
Is the mothers breastfeeding milk an active acquired immunity b passive natural immunity C passive acquired immunity D active natural immunity?
Passive natural immunity
Is the mothers breastfeeding milk - an active acquired immunity b passive natural immunity C passive acquired immunity D active natural immunity?
Natural Passive Immunity
The organ that nourishes the fetus in the mothers womb is called the?
placenta
What provides food and oxygen for a developing embryo?
The Placenta uses a the process of diffusion to diffuse the nutrients from the mothers blood into the babies. Then the umbilical cord carries the nutrients to the baby to the Placenta. Answer is Placenta
How do tadpoles develop without a placenta that links them to its mothers blood supply?
They develop by feeding from the yolk of the egg that the frog has laid and that is the equivalent of a placenta.
What absorbs oxygen and food from the mothers blood in placenta mammals?
I THINK THAT A monotremes is the answer.
Which trimester does the placenta being to absorb nutrients and oxygen from the mothers body?
first
How does a new baby feed in her mothers stomach?
Via the umblical cord that is connected to the mothers placenta. Dissolved nutrients from foods the mother eat flow to the baby system from the mothers placenta via the umblical cord. This is the reason why poor feeding by pregnant women affect the unborn child.
