Which statement describes the role of mitochondrion in providing a body with energy ? A. it stores glucose status taken from food so that respiration can happen later
B. it combines blood in oxygen so that energy can be released from glucose .
C. it is the site where oxygen combines with small molecules and releases large amounts of energy
D. it is the site where the food is broken down into small molecules in amounts of energy

3. It is the site where oxygen combines with small molecules and releases large amounts of energy.

Explanation:

Mitochondria is a cell organelle

It produces ATP, which is considered as energy currency of cell.

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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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brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: