Question

hey guys pls ans.it fastly
Explain the terms:

a. Implantation

b. Placenta

c. What is the average duration of human pregnancy?
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Answer 1

Answer:

there u go-

Explanation:

a. implantation -the attachment of the fertilized egg or blastocyst to the wall of the uterus at the start of pregnancy.

b. placenta -The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to your growing baby and removes waste products from your baby's blood. The placenta attaches to the wall of your uterus, and your baby's umbilical cord arises from it.

c. 9 months