Answer:
Explanation:
inspiration 1. inspiratory muscles contract. ...
inspiration 2. thoracic cavity volume increases.
inspiration 3. lungs are stretched. ...
inspiration 4. intrapulmonary pressure drops.
inspiration 5. air flows into lungs down pressure gradient until pulmonary pressure is 0.
A good ratio of carbohydrates, fats, and proteins respectively is :
- 30 protein,
- 30 carb,
- 40 fat
A or B are both the best options in this case, but B is the best option overall because if he is interested in an activity, then he will have more motivation.
Over the counter drugs are to treat mainly pain or illness
