changes in supply and demand

Vasodilation increases blood supply to the damaged area which will help to remove toxic products and dead cells. Increased permeability of blood vessels permits white blood cells and serum proteins to enter into the injured area. These changes occur due to release of chemical a..

Summary - Environment refers to the natural elements that make up the earth and surround living organisms The abiotic or physical aspects of the environment refer to elements like air, soil, water etc. The biological or biotic components of environment are the plants and animals Natural resources c..

In a evacuated glass chamber a filament and a metallic target are fixed. The filament is made to emit electrons due to thermionic emission by heating it electrically. The target kept in front of the filament is given a higher potential using a d.c power supply. So the electrons are attrac..

. It is characterised by the total absence of melanin in the skin, caused by the expression a homozygous recessive gene. Phenyl Ketonuria (PKU) is a metabolic disorder seen in growing children. In this condition an enzyme phenyl pyruvic hydroxylase necessary for amino acid metabolism, is not produc..

Endocrine System - Hormonal Control - Glands are of two types: Exocrine glands Endocrine glands Exocrine and Endocrine Gland Showing Release of Secretion Exocrine glands are those which pour their secretions into a duct. For example, sweat glands, tear glands, etc. Endocrine glands are those which ..

fig 1.21 - Formation of energy band in sodium metal The figure1.21 shows how the molecular orbital energy level diagram changes as the number of atoms in the crystal increases. With increase in number of atoms, the number of energy levels increases and the energy spacing between them decr..

">Brutus also says that the Roman senators wanted to offer mighty Caesar the crown. If he doesnt go that day, they may change their minds. This proves very effective on Caesar's credulous mind, and he at once gets ready to go. Before the capitol, as per the plan of the conspirators, Metel..

) from the steam chamber to the rod is In a time t, the chamber supplies a heat As the mass of the water collected in time t is m, the heat taken by the water is ------(ii) where s is the specific heat capacity of water. As the entire rod is covered with an insulating material and the tem..

. His five stomachs, and numerous organic filters helped him to stomach the food and atmosphere supplied to him. He used to sleep and dream of his home. But on the nineteenth day of his captivity on earth, Ch-tsal awoke to a horrifying calamity. His jeweled feathers from his back and side..

. Each carpel bears many ovules each of which contain one egg, the female gamete. Each ovule bears the embryo sac that contains the egg and the polar nuclei in addition to other structures. Transfer of pollen grains to the stigma is called pollination. Pollination may be self-pollination or cross-p..