Mucins explained
By: Alicia M Prater PhD
To put it simply, mucins are large extracellular glycoproteins and the main proteins found in mucus. Mucus is a thick, slimy substance secreted by epithelial cells to protect orifices, such as the nose, eyes, and urinary tract, from the entry of foreign particles and pathogens...
Overview of the physiology of sodium ions in the body
By: Tarek Musslimani
Sodium ions are very important for the normal functioning of the human body. If the concentration of sodium in the extracellular space falls too low we may die due to the neurological symptoms that accompany the condition such as coma and seizure. Sodium ions are...
Muscles attached to the human humerus
By: Erich Rosenberger M.D.
Contrary to the way the name sounds, the human humerus is not the same as the somewhat mythical "funny bone". The humerus is the bone in the upper part of your arm. It is a vitally important bone that allows you to move your arm...
Anatomy of the human radius bone
By: Erich Rosenberger M.D.
The human skeletal system is a complex set of bones and connective tissues that serve several functions in the body. One of the primary functions of the bones is to provide support and structure. You couldn't move well without a skeleton to attach muscles to...
Introduction to human cardiac muscles
By: Erich Rosenberger M.D.
The human heart is one of the most fascinating structures in the body. Your heart beats every second of every day of your life, without rest (you hope) and without pause. The heart is made mostly of very specialized muscle. The muscle cells of the...
The human sense of smell
By: Omar Salvador
In the life of most of the lower mammals, olfaction - or the sense of smell - plays a very important role in providing information about the "outside" world, particularly as regards sources of food and the presence of danger. Sharks and dogs, for example...
Structure and route of the superficial veins of the upper limb
By: B.K. Pravin
Upper limb of the human body has 2 types of veins. They are the superficial and deep veins. Veins are the blood vessels that carry blood toward the heart. All veins except the pulmonary carry dark unoxygenated blood. Veins of the upper limb are called...
Anatomy of the human scapula
By: Erich Rosenberger M.D.
The human skeletal system is the framework on which just about everything else is held together. The bones in your body serve as attachment points for muscles and organs, allowing for protection and easy motion. The scapula is a bone located near the upper back...
Factors affecting heart functions
By: Dr Pandula Siribaddana
Overview of the heart function: The heart can be considered the pumping station for blood toward the lungs as well as the rest of the body and will adapt to various metabolic and physiological demands that arise at various stages of life. The complex mechanisms...
Do Humand only use 10 of their Brains
By: Krystal Nicole Jimenez
To say that we as humans only use 10 percent of our brains would be a drastic understatement. The phrase has been so popular though that there must be some bit of truth to it, or is there? The origins of the statement are difficult...

 

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