You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Heat loss at an ambient temperature of 21 degree takes place through and explain in detail?
Radiation is a process of heat transfer to or from the surroundings mediam . It doesn't require any conducter Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:863,864