Where did the name El NiÃ±o come from? Why is El NiÃ±o frequently described as a disruption of the usual situation in the tropical Pacific? Should we take El NiÃ±o forecasts with a grain of salt? Why don't you see much in the news about the causes of El NiÃ±o? Does El NiÃ±o originate solely in the tropics, or do the midlatitudes play an important role?
Thick blood is caused by a variety of conditions, such as heavy proteins in the blood, too much blood in circulation or a blood clot system imbalance, according to Southeastern Medical Oncology Center. Diseases such as cancer and lupus can also lead to thick blood. Continue Reading.
The walls of the blood vessels restrict where blood can flow, thereby creating friction as the blood flows against the walls. Two factors of blood vessels walls effect blood flow resistance: = Blood vessel length: The longer a blood vessel, the more resistance the blood will encounter as it flows. Blood vessel length is fixed, and therefore resistance due to blood vessel length is constant, in the adult.