Question

you know that blood supplies oxygen to all cells and receives carbon dioxide from them. reception of oxygen and expulsion of carbon dioxide take place in the lungs. If so, what causes an increase in the level of carbon dioxide in the blood present in venacavae and the level of oxygen in the blood present in pulmonary veins?​

Answer 1

Answer:it will to sick in respiration but on the present time our body will take a long breathe

Explanation: it is difficult for New born babies and aged people but it will adjust them by next 5 times of oxygen in their bodies.