Most people are concerned with having high blood pressure problems. It is indeed a serious condition, but the opposite condition is just as serious - low blood pressure. Also called hypotension, this condition can result in fainting and seizures. The main sign of low blood pressure is dizziness...
Life is full of hazards that can affect our health and well being. It is amazing that most of us are able to hurdle these obstacles and overcome the adversities we are faced with everyday without our bodies succumbing to illness due to these risks and the ever present pressures of life. But we...
TimaeusBy Plato Written 360 B.C.E Translated by Benjamin Jowett Persons of the Dialogue-SOCRATES- CRITIAS- TIMAEUS- HERMOCRATES Socrates. One, two, three; but where, my dear Timaeus, is the fourth of those who were yesterday my guests and are to be my entertainers to-day? Timaeus. He...
The capillary bed is an interlaced network of capillaries that services an organ. The network size of the capillary bed depends on how active the particular organ is. Usually, the more active organs require more nutrients and produce more waste products. Two kinds of vessels make up the capillary...
The heartbeat rate that is felt at various arteries is called the pulse. A bounding pulse is a powerful and strong pulse which is experienced for a short period. Some bounding pulses can be seen and felt just underneath the skin if there is an artery located there. Under normal conditions, a...
When you run experiments, there's inherently an element of the unknown. After all, we're trying to figure out things we don't know. And sometimes, things go wrong. FATALLY WRONG! Here are some of the most interesting, most intriguing, and sometimes most horrific, experimental deaths we've ever...
Insulin is a protein hormone secreted by the beta cells of the islets of Langerhans in the pancreas. This hormone was discovered by Frederick Banting and J.J.R. Macleod who won a Nobel Prize in 1923. Frederick Sanger followed in 1958 for his discovery of the insulin’s amino acid sequence. Insulin...
The omentum is the fat depository of the body. The greater omentum is found in front of the stomach and the lesser omentum around the liver. Both easily become repositories for fat storage. The greater omentum is the easiest to understand in terms of the abdomen appearing stiff and distended in a...
Obesity has reached epidemic proportions across the globe. More than 1 billion adults are overweight with 300 million labeled clinically obese. An alarming 22 million children around the world under the age of five are estimated to be overweight. Of even greater concern is the fact that these...
Blood volume is the amount of blood in a person’s circulatory system. The average adult has at about 4.7 to 5 liters of blood. Generally, women have less blood volume. But during pregnancy blood volume doubles. This is due to increased fluid and white blood cells in the body. Even so, a pregnant...
