One of the side effects of smoking is the damage of cilia in the trachea
which allows particles to entre the lungs. Smoking destroys the cilia
which are key in keeping particles from getting down into your lungs so
every time a person smokes more and more cilia are destroyed.
Correct answer: A). Smoking damages cilia in the trachea and more particles enter the lungs
Tar is a particulate matter that is generated by the burning of tobacco, in a form of cigarette smoke. It contains a variety of inorganic and organic chemicals like carbon dioxide, nitrogen, oxygen, carbon monoxide, and volatile compounds.
Smoking is known to destroy the cilia, fine hair that is known to be found in the upper airways that help to protect against the infection. If cilia are damaged then tar can more easily penetrate into the lungs can cause more damage and may cause cancer.
A parasitic relationship is a type of relationship in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death.
The organism that is harming the other one is called a parasite. Examples of Parasitism includes fleas or ticks that live on dogs and cats are parasites.
In this case; the organism that lives in the gills of a fish consuming fish's blood is the parasite, while fish is the host.
Mastication is the process by which food is crushed and ground by teeth. It increases the surface area of foods to allow a more efficient break down by enzymes.