When u are a baby, your bones begin as what type of tissue? a. cartilage b. cells c. ligaments d. muscle

Iwill mark you brainlest if you answer this question

The frequency in wich you perform certain exercise depends on the blank of the exercise

Asap 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.