Answer: d. none of the above
Explanation:
The respiratory membrane is the membrane which separates the air inside the alveoli from the pulmonary capillaries. The types of respiratory membranes includes the alveoli membrane, the capillary membrane and the basement membrane. The respiratory membrane is usually very thin. But it becomes thick due to the increase in the fluid content, which actually forces the gases to diffuse through the membrane and the fluid. Also the pulmonary diseases can also cause the membrane to become thick.
Answer:Epidemiology
Explanation:
<em>Epidemiology is the study of the distribution of diseases and other health related conditions in the population.</em>
Explanation:

At the heart of it, the main difference is that a product business sells physical, tangible objects, whereas a service business provides value through intangible skills, expertise and time.
Excess fluid in your tissues leads to this swelling (edema), which is frequently brought on by congestive heart failure or a blockage in a leg vein. These are edema symptoms.
<h3>How can you eliminate severe edema?</h3>
Treatment for edema entails a number of steps, including treating the underlying cause (if feasible), cutting back on salt (sodium) in their diet, and, in many situations, using a drug called a diuretic to get rid of extra fluid. Additionally suggested measures include elevating the legs and wearing compression stockings.
<h3>How can you tell whether an edema is severe?</h3>
If your edema suddenly gets worse, hurts, is new, or if it's accompanied by chest pain or breathing difficulties, seek medical attention right once. The latter could be an indication of pulmonary edema, a serious illness where fluid fills the lung cavities.
To know more about edema visit:
brainly.com/question/28326286?
#SPJ4
Greetings, Ophthalmologist Office… Where all solutions for your eyesight are in sight, we are busy helping to restore the vision of our patients, leave your message after the beep that will be briefly addressed