What is a heart? What functions does it perform?
October 30, 2020 | Education|
The heart is a powerful muscular organ. The main function of the heart is to provide blood circulation by sending kinetic energy to the blood.
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.