Brain – an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity
Amazing Facts About Your Brain
- the brain is about 2% of your body weight but uses about 20% of total energy and oxygen intake
- the brain is about 73% water – it only takes 2% dehydration to affect your attention, memory and other cognitive skills
- the brain weighs about 3 pounds – 60% of the dry weight is fat making the brain the fattiest organ in the body
- 25% of the body’s cholesterol resides in the brain – cholesterol is important in the brain – without it the brain will die
- the latest estimate of brains cells is about 86 billion although no one really knows for sure
- each neuron can transmit 1,000 nerve impulses per second and make as many as tens of thousands of synaptic contacts with other neurons
- all brain cells are not alike – there are as many as 10,000 specific types of neurons in the brain
- the brain needs constant supply of oxygen – 5 minutes with no oxygen can cause brain cells to die leading to severe brain damage
- brain cells can cannibalize themselves as a last ditch effort to ward off starvation – so in low fat diets, the brain can be forced into eating itself
- the we only use 10% of our brain is a myth – we use most of our brain all the time even when we are sleeping
- the brain has a pattern of connectivity as uniqie as your fingerprints
Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn’t mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.
The brain is a pretty amazing organ.
Sources:
BLS Fact of the Week
It is important to recognize that there is a problem and activate the emergency response system quickly.
ACLS Fact of the Week
Vasoactive drugs may be administered after ROSC to support cardiac output, especially blood flow to the heart and brain.
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