A lot of bacteria, virus and toxins can become a health risk if there is a biological warfare attack. Alphavirus is a small,rounded,enclosed positive virus causing human and animal sickness. Examples include Sindbis virus and Chikungunya virus such then can be the pattern of infections that can cause chronic infections of the vital organs such as the lungs.
Answer:
The missing options are:
a.lining the pharynx
b.lining the trachea
c.within the walls of the alveoli
d.You would find epithelial cells in all of the listed answer choices.
The correct answer is d. You would find epithelial cells in all of the listed answer choices.
Explanation:
Epithelial cells are in all the options mentioned above because they are the ones that form the tissue of the respiratory system, and that form a barrier between the exterior and the interior of the body as a mechanism of protection. They also are in the skin or the urinary system.
