Give examples of the transition of energy from one body to another

A mercury thermometer acts on the basis of the energy received from the human body.
In a hotplate, a massive metal plate is heated, from the contact with which a pot or kettle with water is heated, i.e., energy is transferred from one body to another.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.