Study the given diagram and answer the question given below:

Identify the parts labelled 1, 2 and 3 in the diagram given.

Options

A. 1-Placental villi, 2-Umbilical cord with its vessels, 3-Embryo
B. 1- Umbilical cord with its vessels, 2 Embryo, 3- Placental villi
C. 1-Embryo, 2- Umbilical cord with its vessels, 3- Placental villi
D. None of these

Answer

A

Explanation

1. Placental villi having finger like projections 2. the umbilical cord is a tube that connects you to your baby during pregnancy. 3. The yolk sac is a membranous sac attached to an embryo.