Different types of blood vessels
By: Rohit Kulkarni
Blood vessels are a network of tubes which transport blood to different parts of our body. They are a part of the circulatory system, along with the Heart. Their purpose is to take blood to and away from heart and circulate it to every organ...
Why the body needs sleep
By: Piper Wilson
Abraham Maslow was a twentieth century psychologist and the pioneer of "humanistic psychology. His most famous contribution to modern psychology is known as the "Hierarchy of Needs". It looks like the old food pyramid for healthy eating from the US Department of Agriculture, however, instead...
Bones and the human tongue: The hyoid bone
By: Jennifer Phillips - 475185
The tongue bone, also known as the hyoid bone or lingual bone is a fragile horsehoe-shaped bone that lies between your lower jaw (mandible) and your voice box (larynx). Image Two slender juts (called styloid processes) of the temporal bone buried deep back in both...
Exploring the possible link between ear size and intelligence
By: Steve Lussing
The idea that the size of one's ears is an indicator of intelligence is patently absurd. Some might be surprised to learn that even the size of one's head is no indicator of intelligence. Neurophysiologists stress that it is neuron population, not the size of...
The thickest and thinnest skin on the body
By: Norma Chew
The skin located under the eyes and around the the eyelids is 0.5 mm thick and is the thinnest skin in the body. The skin on the palms and the soles of the feet is 4 mm thick and the thickest skin in the...
Why the body needs sleep
By: Mindee Bocangel
Living things and the movements of the stars are experiencing cycles. Humans breath in, breath out; wake and sleep follows suit. Cells regenerate during sleep. This is true for animals and plants alike. Regeneration requires energy. Various vitamins can help make the most of periods...
By: SNorris
The human spleen is an organ about the size of a loose fist that is located in the upper left corner of the abdomen. The spleen sits directly under the diaphragm, behind the stomach, and it borders nearby organs such as the left kidney and...
The eustachian tubes explained
By: Natasha L. Kohlhoff Polak
WHAT ARE EAR TUBES?By definition, ear tubes are known as grommets, pressure equalizing (PE) tubes, ventilation tubes, or tympanostomy tubes. They can be made from plastic, Teflon, or metal, and range in size depending on the length of time they are needed. Most are...
What are the risks that affect life expectancy?
By: Bobby Joe
There are many risks that affect a human-being's life span. They include smoking, drug usage, disease, the immune system's health and more. The leading cause of deaths in the US include smoking and obesity (obesity then breaks down into heart attack stroke, etc. while smoking...
By: Norma Chew
The eyes are the two most complicated and complex organs in the body. The main function of the eyes is to work with the brain to provide vision.How Do They Do It.?The eyes are connected to the brain. It is the brain that...

 

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