The answer is D. the curculitory system transports hormons.
Answer:
cells of the body
Explanation:
Respiration happens in the cells of plants, animals and humans, mainly inside mitochondria, which are located in a cell’s cytoplasm, energy released during respiration is used by plants to make amino acids, and by animals and humans to contract their muscles to let them move. Don't confuse respiration with breathing. Respiration releases energy, while breathing
This could be the different times you did the experiment
Melting ice caps and glaciers
Urinary obstruction, Neurogenic bladder, Catheterization, Pregnancy and diabetes