Which fetal development occurs during the second trimester? Bones begin to harden.
The roof of the mouth forms.
The eyes can sense changes in light.
O The heart and circulatory system begin to develop

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.