Answer:
joy
Explanation:
is this rlly a question ???
Need more info to answer the question
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.
Answer:
First level
Explanation:
The physical activity pyramid is a visual representation demonstrating how to increase physical activity until it becomes a part of daily routine.
Lifestyle activities are the first step of the physical activity pyramid.
Lifestyle activities are moderate physical activities that are performed daily. The examples for moderate physical activities are housework, yardwork, non-vigorous sports, taking the stairs instead of the elevator.
