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Articles [Arts & Science]
Most of the plants grow from seeds. Plants bear flowers which develop into fruits. Inside fruits are found seeds. Some fruits have a single seed while others have few or many seeds.
Every seed has an outer covering called seed coat. Each seed...
Microbes are the little monsters that take us sick. However, not all microbes are harmful. Some are useful and help to keep our digestive system clean. For example curd contains good microbes and must e eaten everyday.
Surprise your mother with...
Other than being organs for hearning the ears also help maintain the balanced of the body. Each ear has three parts –the external ear, middle ear and inner ear.
The external ear
This consists of the pinna and the auditory canal. The pinna, the...
The central nervous system (CNS) consists on the brain and the spinal. It receives information on the various parts of the body, as well as the surroundings, through the nerves that connect all parts of the body. It processes the information and...
Temporal and spatial coherence
The electric field (associated with a wave) at a point changes in phase with time. Let deltaphi be the phase change in a small interval of time deltat. is directly proportional to deltat, for any value of delta,...
BASICS OF THE WATER SUPPLY SCHEMES
Actually wherever a water supply scheme is framed (scheme means a system to draw water from suitable source, treat it and then supply it to the consumers) a comparison is made between all the possible...
POLAROID
In 1982, W.B.Herapath,an English physical developed dichronic crystals of the organic compound quinie iodosulphate called herapathite. Such a crystal completely absorbs one component of polarization and transmits the order with little...
Our circulatory system consists of the heart, blood vessels and blood. Together, these are responsible for the transport of materials to and from different parts of the body. The materials are carried by blood, an extra cellular fluid which flows...
The constant pumping action of the cardiac muscles keeps our blood circulation going. Put simply, the heart pumps oxygenated blood received from the lungs to the rest of the body, and deoxygenated blood from the rest of the body to the lungs. The...
We can sum up the functions of blood as follows.
a) We know blood transports oxygen and carbon dioxide, thus playing a vital role in respiration. We also carry dissolved food from the small intestine to the tissues, besides transporting hormones....
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