Question
Asked Oct 20, 2019

list and describe several protective mechanisms of the respiratory system.

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Step 1

The air contains particulate matter like bacteria, viral particles, dust and dirt that destroy the lungs and generate the immune response. For protection lungs contain different protective mechanisms and protect the lungs from any tissue or organ damage.

Step 2

The first protective mechanism is hairs and mucus of the nasal cavity, it traps small particles like bacteria, viruses, dirt, and dust to prevent their entry into the body.

If particulate matter enters through the mouth, the bronchioles and bronchi of lungs contain a different protective system that prevents damage. The bronchioles and bronchi possess small cilia. Cilia are hair-like outgrowths present in the wall layers of bronchioles and bronchi. The cilia beat in a direction and move particles out to the throat that is el...

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Science

Biology

Animal Physiology and Biochemistry

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