What is related to a vast network of science that seeks to unlock the secrets of strength, stamina, and energy within the body

Nutrition is related to a vast network of science that seeks to unlock the secrets of strength, stamina, and energy within the body.

Explanation:

For the proper functioning of body, it requires several nutrition minerals, etc. Our human body is able to synthesis some proteins but not all the protein. Also your body is not able to synthesis nutrition and minerals. So they have to be taken from outside the body in the form of food.

All these things are required inadequate amount for the proper functioning of body any failure to this has a negative impact on the function. Plants as well as animals are rich source of nutrients.  

menstruation is a process in which blood and mucous flows out every month through the vagina. this process occurs every month because one egg is released from the ovary every month and at the same time, the uterus (womb) prepares itself to receive the fertilized egg.

explanation:

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the answer is d

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