Question: What Are the Elements in the Human Body? Answer: Most of the human body is made up of water, H2O, with cells consisting of 65-90% water by weight. Therefore, it isn't surprising that most of a human body's mass is oxygen. Carbon, the basic unit for organic molecules, comes in second. 99% of the mass of the human body is made up of just six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. You may also wish to view the element composition of an average human body by mass.
1 The freezer time shown is for best quality only â foods kept constantly frozen at 0Â° F will keep safe indefinitely.  How long does cooked steak last at room temperature? Bacteria grow rapidly at temperatures between 40 Â°F and 140 Â°F; cooked steak should be discarded if left for more than 2 hours at room temperature.
Cut of steak, how soon it was refrigerated after cooked, your own immune system, etc. I have eaten steak left in the fridge for at least 4 days. If you are wary, then don't risk it.As for me, trial and error. Another Answer At the hospital kitchen where I work, they keep things like steak etc. a maximum of five days.They have a labeling system to keep track of when to throw it out.ut of steak, how soon it was refrigerated after cooked, your own immune system, etc. I have eaten steak left in the fridge for at least 4 days. If you are wary, then don't risk it.