Lactic acid Lactic acid is the waste product produced during anaerobic respiration. The circulatory system The circulatory system is the heart and all the blood vessels in the body which carry ...

Respiration is a vital process that involves releasing energy from glucose. All living things do this to stay alive. The gas exchange system is made from key parts, each of which has a different ...

Keywords artificial respiration, first aid, breathing, respiratory system, inhalation, exhalation, suffocation, mouth-to-mouth resuscitation, emergency response, airway clearance Email us at ...