A - Never sign on with individuals who won't provide their names, addresses, phone numbers, and credentials.
This is very true all of the above
Answer:
C. The intrathoracic pressure decreases.
Explanation:
Inspiration is when air is moved into the lungs. This occurs when:
- The diaphragm contracts, which increases the size of the chest cavity.
- Then the lungs expand, which decreases intrathoracic pressure, causing air to rush into the lungs.
