A baby's immune system is not fully developed until he/she is about six months-old. In the meantime, pregnant mothers pass immunoglobulin antibodies from their bloodstream, through the placenta, and to the fetus. These antibodies are an essential part of the fetus's immune system. They identify and bind to harmful substances, such as bacteria, viruses, and fungi that enter the body. This triggers other immune cells to destroy the foreign substance.
Answer:
I think it is A. Metaphase
Answer:
Go to a sex clinic and ask if this is a personal enquiry or listen in your pshe lessons if you have them
Explanation:
The answer to this question is
B: the theory of evolution
I hyope this is correct and helps