Question

State the use of Echo in medical science.

Answer 1

Echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener.A true echo is a single reflection of the sound source. Various phenomenon which we come across in our day to day life:
Echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room

Complete step-by-step solution:
Echo is used by some animals such as dolphins and whales, used by ships for underwater detection (acoustic phenomenon ) and in medical science.
According to the question here we have to discuss the applications in medical science.
->Echo is used for imaging various internal organs of the human body such as liver, stomach, intestines and such imaging is called ultrasound. Doctors perform ultrasound for examining the irregular functioning of that particular organ examples of irregularities are: detection of stone in kidney or gallbladder, to check the formation of embryo of a pregnant lady, swelling of liver (causes hepatitis A,B), indigestion caused by intestines etc.
->Electrocardiogram or echocardiography is also an ultrasound test that can evaluate the structures of the heart, as well as the direction of blood flow within it. Technicians produce the images or videos, often using a special probe or transducer that is placed in various places on the chest wall.

Note:- Some more facts about echo:
->According to a Greek folk story, echo is a mountain nymph whose ability to speak was cursed, leaving her able only to repeat the last words spoken to her.
->These mythologies are not believed today, but human beings and animals do use the application of echo in various fields.