Photosynthesis and Respiration are defined to explain how oxygen and carbon dioxide are produced. The process for cycling of matter is clearly explained.

photosynthesis is the process in which 0lants prepare their own food with the help of co2 , waiter, sunlight and most important chlorophyll.

It is the process in which oxygen is used to oxidise the food and release energy .

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it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

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