Smokers often have increased respiratory infections, and one reason is that smoking is known to destroy the cilia lining the respiratory tract. Which type of tissue does this damage?

The tissue damaged through smoking is;

Smoking has been shown to cause damage to the respiratory system thus causing Chronic obstructive pulmonary disease. This results in a lot of death. The lining of the lungs is scarred and damaged due to the particles found in tobacco.

The soft tissue of the alveoli and bronchioles is located in the lungs. Oxygen and other particles move through the capillaries that surround the alveolar walls.

Thus, the lungs do not get clean oxygen when blood passes through it and so, there is damage to the lungs.

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many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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