Answer:
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.
Explanation:
^^^
1 Its low gravitational influence.
2 Its extremely faint, compared to all the other objects out there.
3 Its Size
<u>Answer:</u>
The common name for the compound H2O is water.
<u>Explanation:</u>
The systemic name of H2O is Dihydrogen monoxide.
