contestada

In the course of prenatal development of human beings, by the end of the ________ period, the heart begins to beat, the arms and legs become more differentiated, the face starts to form, and the intestinal tract appears.

Respuesta :

Pauacost

Answer:

This occurs by the end of the Embryonic period.

Explanation:

The Embryonic period is the second stage of Prenatal Development. It occurs between the 3rd and 8th week. It is a stage in which the product, now known as an embryo, begins to take a more human-like form.

Some developments include:

  • Its members, such as arms and legs are more distinguishable and differentiated
  • The neural tube begins to form
  • The face begins to form, making the nose, eyes, mouth and ears begin to appear