Question

Why is respiratory capacity decresed in people who smoke cigarettes?

Answer 1

Answer:respiratory capacity decrease for those who smokes because the smoke the put into their lungs have burnt microparticles and tar in it.. And they form a thin layer in the alveolar cells where gaseous exchange occurs. This ultimately reduces the surface area of gaseous exchange in the alveoli........ Thats the reason the respiratory capacity decreases and in the old age they suffer from several breathing problems like asthma, etc.

Explanation:

Answer 2

Answer:

Explanation:

Because the power of smoking is to much heavy than air and it hurts the lungs therfore respiration capacity became low.