Both substances are produced in respiration. During photosynthesis, energy is stored in the food made. In respiration, energy is released from food to be used by a cell. The process respiration is the opposite of photosynthesis. Photosynthesis takes place only in cells with chlorophyll.
Carbon dioxide is taken in.
Water is taken in. Oxygen is given off. During the process of respiration 1. Respiration takes place in all cells. Oxygen is used.