A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS). Any name registered in the DNS is a domain name.Domain names can also be thought of as a location where certain information or activities can be found. Domain names are used in various networking contexts and application-specific naming and addressing purposes.he right to use a domain name is delegated by domain name registrars, which are accredited by the Internet Corporation for Assigned Names and Numbers (ICANN), the organization charged with overseeing the name and number systems of the Internet.
The primary responsibility of the platelets is to stop the bleeding when there is an injury to the body. A barrier called a blood clot must be formed to seal the wound. Just like a leaking pipe must be plugged, a damaged blood vessel must be blocked so that there is not excessive blood loss.
a. Platelets appear as small discoid fragments of large, multinucleated cells called megakaryocytes. They are essential for the clotting process and work by clumping together to form a temporary plug to prevent blood loss.