Structure of eye

The eye is a very complex organ that sends a huge amount of information to the brain. It has a very specific design to capture and analyze light. In its simplest description, the eye is a box, with a lens to focus the light that enters it, and cells to process the light.It is a window to our emotions, and some say, to the soul. Explore the complexities of the human eye.                      ...

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Human ear

The ear is the organ that detects sound. It not only receives sound, but also aids in balance and body position. The ear is part of the auditory system. It has external, middle, and inner portions. The outer ear is called the pinna and is made of ridged cartilage covered by skin. Sound funnels through the pinna into the external auditory canal, a short tube  that ends at the eardrum (tympanic membrane). Human Ear: The human ear has three...

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Blood types

                                    Blood is a specialized fluid connective tissue in which there is liquid intercellular substance (plasma) and formed elements - (RBC,WBC and platelets ) suspended in the plasma which circulates in closed system of blood vessels. It is red , thick and slightly alkaline.              ...

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Vitamins essential

Vitamin:Vitamin means vital amine . Vitamin may be defined as a protent organic compounds which is found in food in variable  and minute quantity and must supplied to the animal organism from external sources, so that specific physiological function vital to life may go on normally .*Vitamins *  Depending upon their solubility in water , fat  and oils as well as fat solvent vitamins are divided into (two) 2 groups :  Fat soluble...

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