SAFE HANDLING OF TELEPHONES

Avoid using the telephone in the bathtub , shower , swimming pool or in the rain as any contact with water could give an electric shock.
Do not use phone during any thunder or lightening storms , as far as possible because any electrical surge through the phone wires could cause a shock
Avoid using telephones near a running computer as it may malfunction due to electrical signals from telephone.
Use a phone located away from a gas leak area, as the telephone's electrical contacts could create a tiny spark when you dial which might ignite the gas cause fire.

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HOMEOSTASIS (ZOOLOGY PART)

HOMEOSTASIS Claude Bernard, a famous French physiologist pointed out in 1859 that plants and animals live in different environments like deserts , snowmountain grassland etc. The surrounding in which an organism live is called external environment and the environment in which a organism's cell live is called its internal environment . The internal environment is a fluid filled called tissue fluid which bathes the cells of body . So maintaining the internal environment constant for cell functioning is called Homeostasis. What is homeostasis Ans The mechanism in which the internal environmental conditions of a cell or an organism are maintained properly by means of self regulatory processes called Homeostasis . The external environment or conditions in which an organism lives may fluctuate continuously . The components of external environment are temperature , water , acidity etc . Similarly tissue fluid and sap are the internal environment of animals and plants respe...

POISONNIG

A house contains many substances , such as bleach, insecticides and paint stripper , that are highly dangerous to children . If a child or anybody swallows one get medical help quickly. Routes Swallowing Breathing Injection First-Aid Management (A) if unconscious: Do not induce vomiting . Lie him on his back on hard and flat bed. No pillow . Turn the head to one side. If excessive vomitting : Put to lie on his side. One leg stretched and other leg bent at knee on thigh. If breathing slow or stopped : Artificial respiration. (B) if conscious: Induce vomiting ( if corrosive poison - do not induce vomiting ) . Plenty of cold water to drink , which will delay absorption and replace fluid loss. Milk is good for the purpose.

Rivers

The longest river of the world is Nile. The second longest river of the world is Amazon.

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