Answer:
During inspiration, the diaphragm and external intercostal muscles contract, causing the rib cage to expand and move outward, and expanding the thoracic cavity and lung volume. This creates a lower pressure within the lung than that of the atmosphere, causing air to be drawn into the lungs.
Explanation:
Answer:
anooooooooooooo wala ako maintindihan
Answer:
Fitness is the ability to survive and produce offspring who can also survive and reproduce. Below are descriptions of four
Scientists have concluded that the average human body contains approx. 37.2 trillion cells. However it depends upon your size compared an average human being. :)<span />