Yall what is the main function of the Respiratory system?

to obtain oxygen from the external environmen

itz to provide yo blood with o2

Explanation:

what happens when you breath in is that the alveoli gets filled wit air and it absorbs o2 and expels co2 when u breath in and out

this disease is :

* endemic (present in a defined area that is a village)

* a bacterial infection (treated with antibiotic)

* communicable by contact (by the hands)

manu-porterage is the most common mode of transmission, it transmits germs from one individual to another via the hands. this concerns infections of exogenous origin.

endemic disease, or endemic disease, refers to a disease that is constantly present in a given population, often tied to a specific geographic origin, as opposed to a pandemic that is not a sporadic disease.

antibiotics are molecules that have the property of killing (bactericidal) or limiting the spread (bacteriostatic) of bacteria.