👉 Respirations are involuntary breathing movements that occur in response to various stimuli, such as oxygen levels in the air or changes in body temperature. They can be divided into three main types: exhalation (breathing out), inhalation (breathing in), and both. 1. Exhalation (Breathing Out): This is when the lungs expel all the carbon dioxide from their bloodstream, which is then transported to the heart as a waste product. The exhaling process involves the di
