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International System of Units - In 1960, the Eleventh General Conference of Weights and Measures recommended an International System of Units (abbreviated as SI) based on the metric system of measurement. When the recommendation was accepted in 1968, it marked the first time in ..

Most internal modems come installed in the computer you buy. Internal modems are more directly integrated into the computer system and, therefore, do not need any special attention. Internal modems are activated when you run a communication programme and are turned of..

Internal energy is one of the most important concepts in thermodynamics. Energy changes in a body sliding with friction. Warming a body increases its internal energy and cooling the body decreases its internal energ..

Kinetic and potential energies that we have so far considered, refer to the object under consideration, as a whole. On the other hand, any given body contains energy because of the motion of the molecules in it. As molecules vibrate with respect to one another, there will be both kinetic energy of..

Internal energy is one of the most important concepts in thermodynamics. Energy changes in a body sliding with friction. Warming a body increases its internal energy and cooling the body decreases its internal energy. However, what is internal energy? We can ..

Second line of defence or body's internal defence is carried out by leucocytes, macrophages, inflammatory reactions, fever, interferons and natural killer cells. These operate together to check the damage to the body by the pathoge..

The exchange of gases between the body spaces or fluids and the cells is called internal respiration or tissue respiration. The area over which this exchange takes place is called the respiratory surfac..

Internal respiration is also called tissue respiration or cellular respiration. The bio-chemical processes involved in respiration which break down the substrate to release energy take place in the tissues within the cells of an organism. Thus, this is called cellular respiratio..

Internal respiration is also called tissue respiration or cellular respiration. The bio-chemical processes involved in respiration which break down the substrate to release energy take place in the tissues within the cells of an organism. Thus, this is called cellular respiration..

In case of sponges, the parent releases a specialised mass of cells enclosed in a common opaque envelope, called as the gemmule. Gemmules are thought to be internal buds, which on germination give rise to an offsprin..