Fun Body facts

I cant get enough of finding out some of the fun and sometimes a little weird facts about the human body so I thought Id post a few and share!!!

Your brain has huge oxygen needs: Your brain requires 20 percent of the oxygen and calories your body needs — even though your brain only makes up two percent of your total body weight.

A sneeze can exceed 100 mph: When a sneeze leaves your body, it does so at high speeds — so you should avoid suppressing it and causing damage to your body.

Being right-handed can prolong your life: If you’re right-handed, you could live up to nine years longer than a lefty.

Even small noises cause the pupils of the eyes to dilate. It is believed that this is why surgeons, watchmakers and others who perform delicate manual operations are so bothered by uninvited noise. The sound causes their pupils to change focus and blur their vision, making it harder to do their job well.

A simple, moderately severe sunburn damages the blood vessels extensively. How extensively? Studies have shown that it can take four to fifteen months for them to return to their normal condition. Consider that the next time you’re feeling too lazy to apply sunscreen before heading outside

We are about 1 cm taller in the morning than in the evening. The cartilage between our bones gets compressed by standing, sitting and other daily activities as the day goes on, making us just a little shorter at the end of the day than at the beginning.

About 32 million bacteria call every inch of your skin home. Germaphobes don’t need to worry however, as a majority of these are entirely harmless and some are even helpful in maintaining a healthy body.

The colder the room you sleep in, the better the chances are that you’ll have a bad dream. It isn’t entirely clear to scientists why this is the case, but if you are opposed to having nightmares you might want to keep yourself a little toastier at night.

Measuring Blood Pressure

Common Skin Problems With The Elderly

Elderly people often become non-ambulatory and, as a result, are confined to their beds. When this happens, they can develop pressure sores

Read more: Common Skin Problems with the Elderly | eHow.com http://www.ehow.com/about_5091400_common-skin-problems-elderly.html#ixzz23YdBQg2O