Question

What is the first organ to develop in the embryo?

Answer 1

Embryo:

1. After fertilization of female egg cells and male sperm cells, it forms an embryo.
2. It is the early stage of the development of a multicellular organism.

Heart:

1. During the development of the body, the first organ to develop from the embryo is the heart.
2. Development of the heart begins in the third week of the gestation period, a complete heart with 4 chambers is formed in week 7.
3. So cardiovascular system is the first organ system to develop during organogenesis.
4. Heart will pump the blood containing nutrients and oxygen to the body and carries away waste and carbon dioxide.