Why tears while cutting onions 16 Jan 2011 | 04:37 am

WHY DO WE GET TEARS IF WE CHOP THE ONIONS It is a very interesting thing that when we cut the onions we will get tears but it doesn’t occurs in case of any other vegetable. The tears you shed when ch...

MECHANISM OF COUGH 6 Jan 2011 | 08:22 am

MECHANISM OF COUGH The mechanism of the cough includes: (1) A deep initial inspiration; (2) The tight closure of the glottis and it is reinforced by the supra glottic structures; (3) The contracti...

Sputum duing cough 6 Jan 2011 | 08:19 am

HOW THE SPUTUM IS FORMED WHEN WE COUGH Check the Mechanism of cough The involuntary expulsion of air from the lungs with a characteristic sound is called as cough. It is used to respond against the ...

Untitled 3 Jan 2011 | 12:12 am

Elephantiasis 2 Jan 2011 | 10:34 pm

WHY LEGS AND HANDS BULGES IN ELEPHENTIASIS In elephantiasis of the limb due to obstruction in the corresponding lymph nodes, the superficial group of lymph vessels draining the skin and the subcutane...

How do leaves change colours 2 Jan 2011 | 08:22 pm

How the colors of leaves will change in autumn. The factors that influence the leaf colors in the autumn season are :length of night, weather. The Increasing length of night will effect on the leaf c...

Nitrogen Fixation in plants 2 Jan 2011 | 07:18 pm

NITROGEN FIXATION Nitrogen fixation is a process in which the roots of the leguminous plants (beans, grams ) give shelter to the nitrogen fixing micro organism. These micro organisms helps in the con...

How Hair Styles..? 1 Jan 2011 | 07:18 am

Why do we have different types of Hair Shape The general curls in the hair are determined by its cross sectional shape. If hair is circular in shape then it forms straight hair. If it is flattened an...

Skin wrinkles 31 Dec 2010 | 08:12 am

Skin wrinkles in old age In old age, the elastic fibers of the skin undergo senile generation for which the elasticity of the skin is lost, and with the wasting of the muscles, the skin cannot adapt ...

Lesion 29 Dec 2010 | 10:21 pm

A lesion is any abnormal tissue found on or in an organism, usually damaged by disease or trauma. Lesions can occur in any area of the body consisting of soft tissue, but are most commonly found on th...