Why humans attract mosquitoes
By: Jonte Rhodes
Mosquitoes can be a constant pain if you are new to an area or on vacation in a hotter climate than you are used to. In some places they even carry one of the biggest worldwide killers in terms of diseases, in malaria. So knowing...
Different types of muscle tissue
By: Erich Rosenberger M.D.
There are three types of muscles in the body. Each of them are found in specific areas and serve important roles in the proper functioning of many parts of your body. Skeletal muscle, which is almost entirely under your direct control, is known as striated...
The causes of developmental disabilities
By: Brandie Bruner
There are numerous possible causes of mental retardation. Identification of the precise cause of mental retardation occurs in about fifty percent of those individuals affected. Experts also suggest that more than one cause is to blame in as many as fifty percent of cases. Between...
How the spleen works
By: Eve Redstone
The spleen is a non-vital organ in the body, by which I mean that a person can survive without it. It is not a useless part of the body, as the appendix is, but we are quite capable of living without it.The spleen is...
The purpose of earwax
By: Jonte Rhodes
Ear wax also called Cerumen, is something that every person has to some degree. It is secreted from the ear canal and can also be found in other mammals as well as humans, where it serves the same purpose. Ear wax is made up of...
What causes sneezing?
By: Jonte Rhodes
Sneezing is something that we have all experienced, regularly in our lives. It is a process that the body uses to expel unwanted material from the nasal passages that might have gotten caught up there. It is a reflux response and cannot be voluntarily carried...
The anatomy of the brain
By: Leigh Goessl
The brain is the central organ in the human body which manages every word uttered, bodily movement made and idea or thought construed. Weighing approximately three pounds, the brain is small when considering its size in proportion to the rest of the human body. Yet...
Do Humans use only 10 Percent of their Brain
By: Jean Sumner
No.This is definitely sad news to those of us who desperately want to believe that somewhere within our craniums lies a vast untapped potential for improving memory, wit and mental agility, IQ, or maybe even psychic powers like telekinesis or teleportation. The encouragement and...
Understanding the Bombay blood group
By: Alicia M Prater PhD
The Bombay blood group is a rare exception to the commonly accepted ABO blood types. It is observed to occur in 1 out of every 250,000 people except in parts of India where the incidence has been observed to be as much as 1...
Brain structures involved in memory
By: Alan Sullivan
Introduction This discussion explores components of the memory system. Components of the brain involved with memory include the cerebral cortex, amygdala, hippocampus, cerebellum, and basal ganglia. Types of memory are presented including short and long term, working, procedural, declarative, emotional, and motor memory abilities. This...

 

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