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Explain Increase in Sound Wave Pressure through Middle Ear
There are certain factors which contribute to an approximately eighty-fold increase in sound wave pressure through middle ear. These are:
These factors constitute an impedence matching system that increases the wave pressure so that it is effectively transmitted from the low resistance medium of air into the higher resistance medium of the fluid in the inner ear. One of the major functions of the middle ear is to protect the ear from loud sounds.
Explain Factors Regulating Blood Pressure Blood pressure regulating mechanisms may be classified into two categories: a) Short term regulating mechanisms, which regulate an
A lamp chimney force pump Replace the piston in the lift pump explained above with a one-hole stopper. Fit the piston rod by the hole. Fit the bottom of the chimney with a two-
what is the electromagnetic spectrum made up of
Ascorbic acid possesses following important physico-chemical properties: a) It is a white crystalline substance. b) It is freely soluble in water. c) Solution of th
Scientific and Technical Achievements of Bronze Age: The major technical advance that accompanied the rise of cities was the discovery and use of metals, particularly coppe
would quartzite or sandstone break more easily. please explain
Explain the Cleansing - Functions of Saliva Saliva is necessary to keep the mouth clean and to keep the structures within the mouth soft and pliable. In fever, when the salivar
is pencil translucent or opaque?
Keep volume of water in body constant - Function of Kidney Keep the volume of water in the body constant by removing excess fluid from the body. The kidneys regulate the volume
Question 1: a) Briefly explain the following terms: i) evaporation ii) condensation iii) transpiration b) Describe the hydrologic cycle. Question 2: a) Define an
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