Structure and function of the skin
By: Alicia M Prater PhD
The skin is the largest organ in the human body and is part of the integumentary system. The skin is a sensory organ containing many receptors, but is also a protective covering for the body.Overlaying the tissues of the body is a subcutaneous fatty...
The integumentary system: Structure and function
By: Alicia M Prater PhD
The integumentary system includes the largest organ in the human body the skin. The system also includes the projections from the skin, the hair and nails, and the receptors that allow the skin to be a sensory organ. The purpose of the integument is to...
By: Alicia M Prater PhD
Vision, or sight, is the process by which a person "sees" using their eyes. Sight works much like a camera - vision is achieved using a refractory lens that focuses light waves (the picture) onto nerve endings (the film), which communicate with the brain for...
Lung volumes and capacities explained
By: Alicia M Prater PhD
The lungs bring in oxygen and release carbon dioxide, providing the essential elements of life. The capacity of the lungs to exchange these gases in the blood is an indicator of the respiratory system's efficiency and directly impacts all body systems and disease.Lung CapacityEach...
The cranial nerves described
By: Alicia M Prater PhD
The cranial nerves are the major nerves running into the brain from the brainstem, or originating from the brain itself. There are twelve recognized cranial nerve pairs, numbered with roman numerals. These nerves serve the face and the five traditional senses, running directly into the...
By: Darian Peters
The liver is not only the largest organ in the vertebrate body but it is also the most complex. It serves a wide variety of functions, such as detoxification and metabolism, some of which are vital functions for the continuation of life. In humans the...
By: Joseph Wheeler
The skin is one of the many miracles of the human body. It performs many essential tasks, such as protecting deeper tissues from damage, regulating body temperature, keeping water and bodily fluids inside the body, and keeping bacteria and other unwanted substances out of it...
How vision works
By: Jenna Wroblewski
Looking around, we see so many different shapes and colors. Vision is one of the most important senses out of the known five, we use to obtain information. After some getting used to, we sometimes forget how great a gift sight really is, unless it...
Do Humans use only 10 Percent of their Brain
By: Liam Skoda
The misconception that humans use only 10% of our brains has persisted for years without any scientific basis. The brain is easily the least understood of human organs, due to an unfathomable complexity that rivals any object in the known universe. This, combined with the...
The phenomenon of episodic memory
By: Jennifer Blanton
Memory is the term used to refer to the brain's information processing system. This system stores, manages, and retrieves information and consists of sensory memory, short term memory, and long term memory. Long term memory is the part of memory used for permanently storing and...

 

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