Emphysema involves damage to alveoli. Thus option D is correct.
<h3>What is Emphysema?</h3>
A condition in lungs due to which shortness of breath occurs. People with emphysema, alveoli( air sacs present in the lungs) are damaged.
After some time the inner portion of the air sacs weaken and rupture that create large air spaces instead of many small ones .
Due to this reason the surface area of the lungs reduces and in turn the amount of oxygen that reaches to the blood stream.
The main symptoms of emphysema are coughing, shortness of breath, chest tightness and wheezing.
Therefore, emphysema involves damage to alveoli. Thus,option D is correct.
Learn more about Emphysema here :
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Wais to hip ratio<span> or</span><span>is the </span>ratio<span> of the circumference of the </span>waist<span> to the circumference of the </span><span>hips. This ratio determines the extra weight on the wasit not on the hips since most of the fats are stocked in the waist. In this case, the answer to this problem is false. </span>
Bile is compared to dishwashing soap because it performs which function?
a. breaks down fats
(<span>Bile emulsifies fats. This means that it disperses into small droplets which in turn become suspended in the liquid contents of the digestive tract<span>.)</span></span>
