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Non-Specific Defence Mechanism
The non-specific defence mechanism is implemented for different types of infections. It resists infection in two ways, firstly, by blocking the entry of pathogens into the body i.e. through external mechanism and secondly by destroying the microbes, if they enter the body through means other than the antibodies. Let us get to know about these external and internal defence mechanisms.
Respiration: Food + oxygen -> carbon dioxide + water + energy Food is not only a source of energy, but also the nutrients used to build up the organisms' bodies. So we
Explain Emphysema - Histotoxic Hypoxia Emphysema is a chronic respiratory disease where there is an over- inflation of the air sacs (alveoli) in the lungs, causing a decrease i
Food as fuel for the body machine: Body requires food for internal as well as external activities and for growth. Another way of looking at this is that the body requires ener
Evidence Favouring the Big Bang One piece of evidence comes from the expansion of the universe which we have already described. The expanding universe suggests that the matt
Pollution due to Radiations: Hazards of nuclear radiations are extremely serious, because they upset the genetic make up of the living beings. Environmental pollution from
Explain about the soil formers Soil development or soil genesis as it is called, is the result of a number of factors such as parent material, topography, time, climate and bio
give examples for one energy transformed to another energy
Specific gravity of a liquid not mixing with water Pour oil into an open glass tube partially immersed in water until it forces water as far as the lower end. The relative leng
Dating the Past: Today, that a particular rock is a million ycars old, or a fossil is 50 thousand ycars old. For instance, how do we estimate the duration of various geo
Trans power : 20dBm Channel loss = 60dB We know that Received power (dBm) = Tx Power (dBm) + Tx Antenna Gain (dBi) + Rx Antenna Gain (dBi) - loss (db) as Tx and Rx antenna gains ar
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