"Body composition assessment is a physical test that measures the proportion of the various components of a person's body. The human body is comprised of water, protein, fat, and minerals, but for most purposes, it is the level of fat compared to lean mass that is of interest. In general, most body composition analysis tests measure the ratio of fat to lean tissue. Body fat, or adipose tissue,has chemical and physical properties that allow for a number of analytical methods, each with its own advantages and limitations."
Manure is a common contaminate usually during the growing process of plants (especially because of use as fertilizer). Pesticides can also contaminate food both when grown or during processing, especially when not separated from things like rat poison. Human hair can contaminate food in both ways, but it also get into food during preparation if not in a hair net. <span />
Answer:
Hayflick theory
Explanation:
According to Hayflick theory aging process is controlled by a biological clock which lie within each living cell. According to this theory human cells have a limited life span.
this theory explain the mechanisms behind cellular aging. It suggests that a normal human cell can only replicate and divide arount forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis due to which number of body cells experiencing abnormalities with age.
