Interesting Facts About Human Body
1. It is estimated that over a lifetime,humans produce a total of 10,000 gallons of saliva. While saliva is necessary for us to taste our food, we cannot taste it before some food dissolves in it.
2.In a single cell, there are six billion “steps” of DNA or body's genetic code. If stretched out,it would measure six feet ,but it is twisted up in a coil in the nucleus of the cell, where its diameter measures only 1/2500 of an inch.
3. Compared to other cells in the body ,brain cells live the longest ,with some living an entire lifetime.
4. The brain is especially reliant on oxygen to function. In fact ,it uses more than 25 percent of the body's oxygen supply.
5. Approximately 90 percent of the body is made up of four elements: oxygen, carbon,nitrogen ,and hydrogen.
1. It is estimated that over a lifetime,humans produce a total of 10,000 gallons of saliva. While saliva is necessary for us to taste our food, we cannot taste it before some food dissolves in it.
2.In a single cell, there are six billion “steps” of DNA or body's genetic code. If stretched out,it would measure six feet ,but it is twisted up in a coil in the nucleus of the cell, where its diameter measures only 1/2500 of an inch.
3. Compared to other cells in the body ,brain cells live the longest ,with some living an entire lifetime.
4. The brain is especially reliant on oxygen to function. In fact ,it uses more than 25 percent of the body's oxygen supply.
5. Approximately 90 percent of the body is made up of four elements: oxygen, carbon,nitrogen ,and hydrogen.