purpose of regulation d

Nervous Regulation - The heart is regulated to a large extent through the central nervous system. The heart nerve branches from the vagus nerve from the medulla oblongata and the sympathetic nerve fibres from the spinal cord. The vagus nerves are cardiac inhibitory nerves. When ..

It has been seen that energy change occurring during the reaction at constant temperature and constant volume is given by internal energy change. However, most of the reactions in the laboratory are carried out in open beakers or test tubes, etc. In such cases, the reacting system is open to atmosp..

Underline each error and write the correction in the space provided. India is very fortunate that it have many a) _________ rivers. Their famous rivers are Sutlej, b) _________ Ganga, Yamuna and Narmada. Some of the river like Ganga, which c) _________ originated from the Himalayas, flow d..

India is very fortunate that it have many a) has rivers. Their famous rivers are Sutlej, b) The Ganga, Yamuna and Narmada. Some of the river like Ganga, which c) rivers originated from the Himalayas, flow d) originate throughout the year. They provide water for both drink..

Motion of Particles and Rigid Body..

a) Treatment plants established to treat industrial effluents before they are released to rivers. b) Reuse of treated water for non drinking purposes. c) Use of sewage and city waste water for irrigation to agricultural and horticultural crops. d) Ban and imposition of fines on..

Management of Wild Animals - Wild life management involves protection, preservation and perpetuation of species in their natural habitats. It involves the following approaches: a) Enactment of wild life legislations to regulate hunting. b) Species preservation to protect particular specie..

A comprehensive World Conservation Strategy for the judicious use of living resources has been formulated by the scientists of 100 countries. Some of the steps suggested to protect the wild life are: a) Special attention should be given to conserve the species, which fall in the category of endang..

Lipids perform several important functions in biosystems. Phospholipids are the constituents of cell mebrane and regulate membrane permeability. Phospholipids are also used as detergents to emulsify fat for transport within the body. They act as cellular metabolic regulators..

A stable and self sufficient community has certain specific characteristics. a) Habitat Biotic community occupies particular area with specific physical environment, which acts as a limiting factor, regulating the population size of various species within the community. b) Self sufficienc..