1. what is the most important factor in moving air in and out of the lungs? Diffusion. Active transport. The partial pre

[answerhappygod]

1. what is the most important factor in moving air in
and out of the lungs?
Diffusion.
Active transport.
The partial pressure of oxygen and carbon dioxide.
The pressure gradient between the intrapulmonary pressure and
the atmosphere.
2. Choose all that apply.
skeletal muscles that are important in inspiration
include...
The diaphragm
The internal intercostals
The external intercostals
The abdominals
3. Choose all that apply.
gas pressure increases when...
volume increases.
volume decreases.
the number of gas molecules increases.
the number of gas molecules decreases.
4. what is the correct order of the components of the
respiratory membrane as oxygen enters the body
surfactant, plasma, alveolar epithelium, capillary endothelium,
red blood cell
alveolar epithelium, surfactant, capillary endothelium, plasma,
red blood cell
surfactant, alveolar epithelium, capillary endothelium, plasma,
red blood cell
red blood cell, plasma, capillary endothelium, alveolar
epithelium, surfactant