Identify and describe the other functions of the respiratorysystem.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Identify and describe the other functions of the respiratory
system.
Expert Solution
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Step 1
The respiratory system, which comprises of the nose, larynx, pharynx, windpipe, and lungs, functions primarily to carry out the gaseous exchange for the body. However, some non-respiratory functions are performed by the respiratory system.
Step 2
- Acid-base balance Maintenance- Accumulation of carbon dioxide can result in acidosis and pH declines. The respiratory system functions to maintain the blood pH by removing carbon dioxide from the blood.
- Defense- The respiratory system functions to protect the body from dust and pathogens. The nasal cavity filters the air, preventing dust and spores from entering the body via a respiratory pathway. The macrophages present in the alveoli of the lungs also help to fight and eliminate pathogens.
- Olfaction- Respiratory organs like the nose help in providing the sense of smell or olfaction.
- Sound production- The respiratory organs like the larynx also assist in the production of sound.
- Blood filtration- The respiratory organs called the lungs also function in the filtration and storage of the blood for systemic circulation.
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