I believe his heart disease is an example of secondary aging. Primary aging refers to age-related changes that inevitably take place as time goes by. Secondary aging results from disease and poor health practices such as lack of exercise, smoking, excess fat and other forms of self damage, and are often preventable, whether through lifestyle choice or modern medicine.
Nitrogen is one of the elements found in the body
If there is no oxygen...many cells die....but some can perform cellular respiration without oxygen too.....they are anaerobic. they usually use organic substance to survive !!!
as acidophilic bacteria survive without oxygen in acids ...so !!!
