There are two kinds of digestion: mechanical and chemical. Mechanical digestion involves physically breaking the food into smaller pieces. Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells.
It depends if you an athlete, if you workout, or if you do neither of those things. The average 16 year old that doesn't exercise regularly should consume anywhere from 150-350 grams of protein in a day.
The two types of adaptive immune are humoral immunity and cell-mediated<span> immunity, the </span>Rejection during organ transplantation is caused by the immune system response to alloantigens on the graft. From species to species and person to person, proteins are different and perceived as a foreign intruding object by the body. It is essentially an immunological response, where the antibodies produced by B and T lymphocytes attack the graft or organ.
Out of the following choices, the best treatment for a virus is is an antibiotic. However, most virus's can't be treated with an antibiotic and will be treated with over the counter remedies.
