Which is the relationship between photosynthesis and cellular

Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water. Photosynthesis and respiration work together in many ways. They both have to exist in symbiosis. Without photosynthesis, cellular respiration cannot occur, and without cellular respiration, photosynthesis cannot occur.

Explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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