Why is it impossible for a person who is hot in the air to jump into cold water in the heat?

With a sharp excitation of receptors that are sensitive to cold, cold shock can occur, which can lead to cardiac and respiratory arrest.

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.