Two hands are placed on the two sides of the lower part of the chest and then the operator slowly puts his body weight leaning forwards and pressing upon the loins of the subject.
This is usually done by forcibly blowing through the mouth of the child after closing its nostrils. Cite this article Pick a style below, and copy the text for your bibliography.
Inward movement of leather diaphragm gets to produce positive pressure around the body and causes expiration; and outward movement of leather diaphragm produces negative pressure and causes inspiration. The stimulus for a cough comes from the air passages in the throat; for a sneeze, from those in the nose.
When the feet are down, diaphragm descends and air is drawn into the lungs inspiration. The chemical controls of breathing are mainly dependent on the level of carbon dioxide in the blood.
The erythrocytes proceed through the circulatory system, carrying the oxygen in loose combination with hemoglobin and giving it up to the body cells that need it. In drowning cases, the water in the lungs must, at first, be driven out, by holding the subject upside down or revolving the subject by holding his legs.
The carbon dioxide molecules migrate from the erythrocytes in the capillaries through the porous membrane into the air in the alveoli, while the oxygen molecules cross from the air into the red blood cells.