The lungs recoil to force the air out of the lungs. The intercostal muscles relax, returning the chest wall to its original position. The diaphragm also relaxes, moving higher into the thoracic cavity.
A) Frequency, Intensity, Type, and Time.<span />
You can be any age! But I wouldn't recommend it if you want to get a job
Answer:
Body Mass Index
Explanation:
body fat based on height and weight
Answer:
ok not so sure about it and it is a time that they told your y