Which important event occurs in the second trimester of human development?(1 point) Responses The face of the developing human starts to form. The face of the developing human starts to form. The developing human starts responding to sounds. The developing human starts responding to sounds. The developing human can begin to move its arms and legs. The developing human can begin to move its arms and legs. The heartbeat of the developing human strengthens and can be heard of via stethoscope.

Answer 1

In the second trimester of human development, an important event is that the developing human can begin to move its arms and legs. This typically occurs around the 13th to 16th week of gestation.