Tag Archives | mechanism

How does price-mechanism solve central problems in an economy?

In a capitalist economy, all the central problems are solved with the help of price mecha­nism. In such an economy, no individual or a firm deliberately tries to solve the central problems; all economic activities operate automatically and there is no conflict anywhere.

By |2011-04-11T07:16:48+00:00April 11, 2011|Economics|Comments Off on How does price-mechanism solve central problems in an economy?

Respiratory Organs and Mechanism of Respiration in Scoliodom

In scoliodon, the respiration is aquatic, i.e., respiration in water and it breathes by means of gills borne in a series of gill pouches on either side of the pharynx. Water enters the mouth and after passing through the buccal cavity, pharynx, gill-pouches and goes out through the gill slits after bathing the gills.

By |2011-02-26T10:30:51+00:00February 26, 2011|Zoology|Comments Off on Respiratory Organs and Mechanism of Respiration in Scoliodom

Complete information on the mechanism of muscle contraction

Skeletal muscle is a voluntary muscle. It has a striated appearance when examined under light microscope. It is made up of multinucleated cells called muscle fibre. The cells are bounded by an electrically excitable plasmamembrane called sarcolemma.

By |2011-01-13T01:53:51+00:00January 13, 2011|Biology|Comments Off on Complete information on the mechanism of muscle contraction

Useful information on the mechanism of Excretory System in Man

There are two kidneys in man. They are bean-shaped. There is a distinct advantage of two kidneys in human body. If one kidney fails, the other can still carry out the function of excretion. The left kidney is placed a little higher than the right kidney.

By |2011-01-04T13:33:17+00:00January 4, 2011|Biology|Comments Off on Useful information on the mechanism of Excretory System in Man
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