Answer:
Nobody is going to write a 400-word essay for you.
Explanation:
That's not how Brainly is or should be used.
<span>In vitro fertilizatio In vitro fertilization
is a fertility treatment in which sperm and eggs are combined in a
laboratory. The resulting embryos are assessed for quality, and one or
more are placed in the uterus through the cervix.</span>
Answer:
b cirulatory system that's the answer
