Answer:
<em>Pulmonary surfactant.</em>
Explanation:
It is essential for life as it lines the alveoli to lower surface tension, thereby preventing atelectasis (a complete or partial collapse of the entire lung or area (lobe) of the lung) during breathing.
Answer:
The answer would be Active and Passive ROM
I believe a and b and possibly c and e. I’m not sure though, especially on e.
