Why we yawn
By: Yohanna Farrell
See how many times you yawn while reading about yawning. It's quite amazing actually. Now imagine writing about yawning, I think I yawned on every other line.Everybody in the world yawns, men, women and children of all ages. Even some birds, reptiles and most...
Do Humans use only 10 Percent of their Brain
By: Bryan Belrad
The idea that we only use 10% of our brains is a holdover from the infamous 50's classroom style documentaries. You know, the black and white films with a lab-coat wearing doctor smoking a pipe?Aside from some of the wonderful information that came out...
Bodies at rest: What happens when people sleep
By: Janette Peel
Your internal body clock has a powerful influence over your sleep patterns and dictates your body's internal activities throughout the day.Your sleeping and waking cycle is set by your internal body clock, like a pace maker at the center of your brain. This internal...
The biology of the menstrual cycle
By: G. Lee
The menstrual cycle can be divided into the follicular phase, ovulation and the luteal phase. Negative feedback and in some cases positive feedback play important roles in coordination of the cycle.~ THE FOLLICULAR PHASEThe follicular phase begins with menstruation, the shedding of the superficial...
What is blood pressure?
By: John Cane
Simply put, Blood Pressure is the amount of pressure inside an artery. Because this pressure varies as the heart contracts and relaxes, it is recorded as a high and a low value. The High value, systolic, value is the maximum pressure as the ventricles of...
Trigger finger explained
By: Diann Carter
Trigger finger or stenosing tenosynovitis is the progressive stricture or narrowing of the protective sheath surrounding the tendon of an affected finger or thumb. This protective sheath is lined by the tenosynovium (a layer of tissue), which releases a lubricating fluid that facilitates the tendon...
The body's regulation of blood sugar and glucose
By: Dr. Brett Saks
Everything that we eat or drink is digested. The digestion process simply breaks down food and drink into component parts so that they may be absorbed as vitamins, minerals, fats, proteins and carbohydrates. Everything ingested, whether fruit, vegetables, bread, pasta or meat, they are ALL...
Bodies at rest: What happens when people sleep
By: G. Lee
THE PHYSIOLOGY OF SLEEPAt one time, sleep was considered a passive process. The revolutionary discovery of the ascending reticular activating system by Moruzzi and Magoun changed this theory. Today sleep is considered an active process, regulated by the reticular activating system. Increase in the activity...
Insights into the brain's sense of perception
By: Jae Baeli
Synesthesia: My Friend, the SynestheteMy best friend is also an author, but she has unusual abilities that not only make her an anomaly among writers, but an anomaly among humans.First, she is a synesthete. Synesthesia is an involuntary joining in which the real information...
What is the prostate gland?
By: Ajgar Gand
The article defines prostate gland to hopefully give you a better understanding of prostate gland. Prostate gland can be defined in many ways. The complicated definition given on wikipedia is as follows: The prostate is a compound tubuloalveolar exocrine gland of the male mammalian reproductive...

 

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