Push-ups can reduce symptoms of arthritis.
They can never reduce bone density, they can only reduce your weight. They cannot increase amount of cholesterol, food does that. Although they can increase back pain, the more pushups you do, the less pain you will feel. So D is the correct answer for sure.
I would say B. The body replenishes water and ions during perspiration so the muscles can rest and repair during the cool down period
The nasal cannula refers to the "mask" or nasal tubes used to provide supplemental Oxygen to a patient.
The amount and how one is more than the other
