NEET BIOLOGY

Detailed explanation-1: -If the heart muscle contraction is intact, the condition is known as respiratory arrest. An abrupt stop of pulmonary gas exchange lasting for more than five minutes may permanently damage vital organs, especially the brain. Lack of oxygen to the brain causes loss of consciousness.

Detailed explanation-2: -In most cases, acute respiratory failure can be fatal if not treated quickly. Chronic respiratory failure has multiple causes. It can occur when the airways narrow or become damaged over time. It can also occur with conditions that cause the respiratory muscles to weaken over time.

Detailed explanation-3: -A high carbon dioxide level can cause rapid breathing and confusion. Some people who have respiratory failure may become very sleepy or lose consciousness. They also may have arrhythmia (irregular heartbeat). You may have these symptoms if your brain and heart are not getting enough oxygen.

Detailed explanation-4: -The Respiratory System The body needs oxygen for energy. It gets this oxygen from the air around you. When you breathe in through your nose or mouth, you pull air into your throat and down the windpipe.

Detailed explanation-5: -Many people who develop ARDS don’t survive. The risk of death increases with age and severity of illness. Of the people who do survive ARDS, some recover completely while others experience lasting damage to their lungs.