Both cosmetologists and specialists have to adhere to state licensing requirements. Most states have age restrictions, as well as minimum education requirements. To be eligible for licensing exams, individuals must complete a set number of training hours during cosmetology school.
Describe what happens when blood flows through the lungs. It brings oxygen to the red blood cells and gets rid of carbon dioxide. Describe what happens when blood in capillaries flows past cells. Gas exchange takes place when the red blood cells is sliding past a cell. - Oxygen passes into the cells. - Carbon dioxide passes out of the cells.
Yes, blood needs to go into the lungs via the pulmonary artery so gas exchange can occur. This turns the oxygen poor blood in the pulmonary artery into oxygen rich blood which is carried back to the heart via the pulmonary vein. No, then the pathway would be wiped out and you would not be able to breathe.