Question

what is placenta?its structure and function ​

Answer 1

Placenta is a special tissue that helps the human embryo in obtaining nutrition from mother's blood.

Structure:
1. Placenta is a disc-like structure
embedded in the Uterine wall.

2. It contains villi on the side of the
embryo.

3. It contains blood spaces, on mothers
side, which surround the villi.

Functions:

1. It provides a large surface, area for
glucose and 02 to pass from mother's
blood to the embryo.

2. It also removes metabolic wastes from
the embryo.