The respiratory system is one of the vital biological systems, which is segregated into the upper and lower respiratory systems. The diaphragm is another vital organ which regulates the inhalation and exhalation processes. This organ makes space for more air to enter the lungs.
Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*
*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.