1. Block in a wall

3. 1- What is the name of phase with letter (A)? …………………………………………………………………….. 2- If the cell starts with 46 chromosomes, the cells with letter (B) contain …………………….. 3- In human body, where does this kind of cell division take place? ………………………………………………………………….

4. 1- What does this diagram represent? ………………………………………………………………….. 2- Why do the red material move through the blue material …………………………………………………………………………………………………

5. A)Represents …………………………………. respiration. B)Represents …………………………………… respiration. Amount released Oxygen content increase Lactic acid CO2 Lactic acid