Answer:
The trachea is a rigid tube about 4.5 inches long and 1 inch wide. ... The bronchi also contain C-shaped cartilage rings like the trachea. Deeper in the lungs, each bronchus divides into secondary and tertiary bronchi, which continue to branch to smaller airways called the bronchioles.
Explanation:
Answer:
I believe it would be the respiratory system.
Explanation:
Answer:
<u>C. The patient has fallen in such a way that they may have an unstable cervical spine injury</u>
Explanation:
If we assume that they had fallen in a way that they had made their spine unstable, then we could assume that it might have affected the lungs/airway in the movement.
Answer:
The semilunar valves open during the ejection phase due to the pressure on the left ventricle being higher than the pressure in the aorta and pulmonary artery.
Explanation:
During the ejection phase occurring in the ventricular systole, the pressure in the left ventricle increases and overpasses the pressure in the aorta and pulmonary artery. At this point the semilunar valves open, allowing the blood to flow from the ventricle into the arteries.