Our body has developed a complex respiratory system which can meet the demand of oxygen as per requirement, but it also has a drawback. Choose that drawback from the given options.
A) Through the respiration system pathogens also may enter into our body B) Rate of respiration cannot increase of decrease as per the requirement C) It cannot filter the oxygen from air D) It has any defense system to counter the pathogens
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Ans- A) Through the respiration system pathogens also may enter into our body
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The answer is option (a) Through the respiratory system, pathogens may also enter are body.
The human respiratory system is the collection of organs and tissues that help in breathing and replenishing oxygen in blood. It also helps in cleansing your body of extra gases and carbon dioxide.
The mouth and nose, the sinuses, pharynx, lungs, trachea and bronchial tubes are the organs that constitute the respiratory tract. This also helps in maintaining the body temperature and humidity levels of the body.
While most of the harmful substances are filtered by this system, some microbial pathogens may still enter the body that lead to different respiratory problems such as asthma, pneumonia and other diseases.
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