1 Allow children who are 6 and older to hold poses and do exercises for up to 1-1/2 minutes, or 90 seconds. 2  Older kids can often endure yoga sessions up to 25 minutes.. Teach kids how to breathe. Relaxed and deep breathing is essential to the practice of yoga. 1  Explain that proper breathing produces calm, allows focus and increases energy. 2  Kids often need to understand why they are asked to do something.
Respiration is the sequence of events that results in the exchange of oxygen and carbon dioxide between the atmosphere and the body's cells. Every three to five seconds, nerve impulses stimulate the breathing process, or ventilation, which moves air through a series of passages into and out of the lungs.
In the human body, oxygen uptake is carried out by the following processes: Oxygen diffuses through membranes and into red blood cells after inhalation into the lungs. The heme group (that consists of an iron) of hemoglobin binds oxygen when it is present, changing haemoglobinâs color from bluish red to bright red.he human body is about two-thirds oxygen. Oxygen's influence and its role in Human Body. Oxygen's influence and its role in Human Body. In the human body, the oxygen is absorbed by the blood stream in the lungs, being then transported to the cells where an elaborated change process takes place.