Answer:
In the world of medicine, physiology represents the study of the biochemical, physical and mechanical functions of the human body. ... Doctors use the physical health as a sign of a body's condition, while they use physiological aspects to define how well the body and its various parts function.
Hope it helps you...
Because you never know what the persons health problems are maybe they are exercising because they have cancer and there doctor told them to
Body substance isolation (BSI) is generally the preferred method of isolation because it gives a good amount of protection against infection.
Infection can be spread via body substance so by isolating it you can prevent it. Patient out of hospital disease mostly is unknown and it's better to do a stricter precaution. In a case of new disease emerge, BSI practice can delay the spreading of disease.
