A small or pulmonary circle begins from the right ventricle with a pulmonary trunk that disintegrates into the right and left pulmonary arteries that carry venous blood. In the lungs, it passes into the capillaries, capillaries intertwine the alveoli. Blood gives off carbon dioxide, receives oxygen, and flows through the pulmonary veins to the heart. Small circle ends in the left atrium with 4 pulmonary veins
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.