Explanation:
Before a chemical reaction, the elements and compounds which are about to take part in the reaction are known as reactants.
And, when the chemical reaction takes place between the given elements and compounds then they change into products.
For example, we take sodium and chlorine elements and before any chemical reaction they are the reactants.
But when a chemical reaction takes place between sodium and chlorine then it results into the formation of sodium chloride which is the product.
Depending on the purpose for which the description is needed, there are three various levels of complexity at which the vascular architecture of the liver might be described:
- The first level, known as the conventional level, is equivalent to Couinaud's classic 8-segment scheme and serves as a common language for doctors from other disciplines to define the location of localized hepatic lesions.
- The true branching of the hepatic veins and the main portal pedicles is taken into consideration in the second, surgical level, which will be used for anatomical liver resections and transplantations. Modern surgical and radiological procedures may fully exploit this anatomy, but doing so involves acknowledging that the Couinaud scheme is oversimplified and examining the vascular architecture objectively.
- The third degree of complexity, known as the academic level, is focused on the anatomist and the requirement to provide a systematization that clarifies the apparent conflicts between anatomical literature, radiological imaging, and surgical practice.
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Answer:
a) It is dangerous to wear nylon clothes while cooking because it is a synthetic cloth and they catch fire easily also they can stick on our body which is very painful.
b) Cotton is a natural product. And unlike synthetic fibres, it is more absorbent. The towel hence has high absorbency.
c) Nylon and polyester are two fabrics most commonly used in raincoats and umbrellas. They are not absorbent the way natural fibers are. They naturally resist waterlogging, and can be made waterproof.
Answer:
Exposure to a virus is closely related to the development of immunity, since the immune system is responsible for creating antibodies in response to the presence of potentially harmful biological agents, such as these viruses.
Explanation:
Viruses are biological agents that can produce diseases when they enter the body of a living being.<u> In response to contact with a virus, the</u><u> immune system</u><u> synthesizes specific </u><u>antibodies</u> to combat the foreign biological agent.
Antibody immunity can be of two types. It is fast when it is mediated by immunoglobulins M (IgM), which attack the virus anywhere, while the late and prolonged response is due to the development of immunoglobulins G (IgG).
An example of immunity to a virus occurs with the exhibition to the virus of the Dengue, that creates permanent immunity to the viral serotype to which an individual is exposed.
The acquired immunity, mediated by antibodies, is the base for the development of vaccines.
