Throughout life, the heart does not stop for a minute. How is the continuous functioning of the heart muscle ensured?

High performance of the heart is ensured by structural features of the heart muscle, heart automatism, rhythm of work, and additional blood supply to the heart.

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.