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Explain Intermittent positive pressure lung inflation
When medulla is affected, the cough reflex may be lost. To prevent secretions entering the lungs, a tube is inserted into the trachea. This tube is connected to a positive pressure pump which inflates the lungs by blowing air into them. Alternatively, anegative pressure may be incorporated so that the expired air is sucked.
Explosives : As defined earlier, explosives release a large amount of gas and energy in a very short time. These are of four basic types: Mixed gases - Usually the mixture
true or false? water conservation efforts have been wholly inaffective
Explain Accessory Organs which help in Digestion The gastrointestinal tract receives various secretions. Some are secreted from the glands in the lining membrane of the organs,
respiration in different animals
Another way to show that air expands when heated Snap a toy balloon over the neck of a small bottle and place the bottle in a pan of warm water.
Determine about the Chemical weathering Chemical weathering is accelerated by the presence of oxygen, and organic and inorganic acids resulting from the microbial breakdown of p
What is full form of WHO ?
Explain Differentiated cells in an Organism These are the post-mitotic cells, which have undergone specialization and/or exhibit the division of labor. Therefore, these cells a
what is tratosphere
Functions of communication: Broldly the main role of communication in a social system is : Receiving and conveying.information which may be facts, messages or opnions; this
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