Which of the following statements are correct?<br>1. During the period of the fetus actual growth and development is greater than during the period of embryo.<br>2. During the period of the embryo and fetus growth follows law of developmental direction.<br>3. Towards the end of the period of the fetus the amount of activity in the leg region is similar to that of the head region.<br>4. Muscles in the head region comeunder voluntary control first and those in the leg region later.<br>Select the correct answer

Correct Answer: 1, 2, 3 and 4