Managed care An event that is unforeseen, unexpected, and unintended. Neurology See Cerebrovascular accident. Public health An unintentional and/or unexpected event or occurrence that may result in injury or death. RTAs/MVAs are the most common cause of accidental death in developed countries.
Hemoglobin is the oxygen-carrying component in red blood cells.  Hemoglobin is a protein that has an iron molecule. Aside from red  blood cells, there are white blood cells, â¦ which also are important  components of the blood.aking the world better, one answer at a time. In order for cellular respiration to take place, mitochondria must have oxygen. Mitochondria are the building blocks of the cell, and the cell cannot survive without it.
exists and is an alternate of . oxygen is pumped form the heart into the blood, where it supplies every cell in your body. your body is made of cells, and cells need oxygen to survive. without oxygen for just 2.5 minutes, brain damage can result. after about 5 minutes, the body starts to die. Viet Hoang.