Second Month of Pregnancy: Eye and Ear Development in Your Baby

The correct answer is: ears.

During the second month of pregnancy, the embryo continues to develop rapidly. By the end of this month, the embryo will be about 1 inch (2.5 centimeters) long. The most significant developments during this month include:

* The heart is fully formed and beginnt to beat.

* The limbs start to develop and the arms and legs begin to move.

* The facial features begin to take shape, with the eyes, ears, and nose beginnig to form.

* The brain begins to develop rapidly.