How are food and oxygen produced during the process of photosynthesis?

Plants take in the light from the sun, water from the soil in the ground, and carbon dioxide from the air around it and converts it to food and energy for itself and oxygen for the animals and humans around it. This is often perceived as plants "breathing in carbon dioxide" and "breathing out oxygen".

it is called the mitotic spindle

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.