Why the body needs sleep
By: Mario Carini
Getting that elusive full night of uninterrupted sleep is more a dream the older you get. But even if you're young and feel rushed by daily activity, uninterrupted sleep can be hard to come by. Many studies have proven that sleep is one of the...
Anatomy of the human ankle
By: Barbara Zarrella
The human ankle is an amazing work of engineering. Yes, it acts like a hinge joint, but it is so much more. A person can also rotate their ankle in many directions. Because it has to withstand 1.5 times your body weight when you...
An overview of areolar connective tissue
By: Effie Moore Salem
Areolar connective tissue is spongy air-filled tissue. It's one of four types of connective tissue. It attaches the skin to its various other parts and has few or no blood vessels but allows for their passage in and around. Unlike the other three main types...
Anatomy of the human eye
By: Dr Pandula Siribaddana
The Human eye is a complex machine, which performs the most important function of visualizing the surroundings. It not only helps in recognizing images but also helps in understanding the distance to an object and its depth. At the same time, in order to perform...
Why humidity affects people's ability to cool down
By: Blaise Pascal
Humidity is the measure or amount of water vapor in the air. It could be relatively low or high depending on weather conditions and change slightly in a given day. This measure is also commonly referred to as relative humidity and shown as a percentage...
Anatomy of the human elbow
By: Barbara Zarrella
The elbow is a strong, practical joint. It is what is classified as a hinge joint. The elbow allows movement forward and backward as well as rotation. This joint is created with the coming together of the humerus, the strong upper arm bone, and the...
Anatomy of the human breasts
By: Dr Pandula Siribaddana
Human breasts can be described as ‘complex mammary glands’ and they are also recognized by some researchers as a modified sweat gland. In any event, the human breasts, which are similar in nature to other mammalian breasts, will provide nutrition to the newborn baby...
Anatomy of the human eye
By: Melody St. John
The human eye is one amazing human physical feature. Despite its small size, it is composed of so many parts that work together in order to carry out a very important function which is vision. The human eye works like a camera. It captures images...
Anatomy of the human eye
By: Dr. Bryan Katz
The human eye is often compared to a video recorder or camera. Although similarities certainly do exist, the eye is far more complex than either of these machines. Part of the reason is that the main job of the eye is to provide the brain...
Anatomy of the human knee
By: Daisy Sue
The human knee is a very interesting joint. It is one of the most used joints of the body and may be used up to one million times per year. Bones of the knee If the knee were viewed from the back, with no skin...

 

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