The first stage of photosynthesis during which energy from light is used for the production of atp, the steps in photosynthesis that occur in the thylakoid membranes of the chloroplast and converts solar energy to the chemical energy of atp and nadph, evolving oxygen in the process

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.