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Mucus and cilia keep the lungs free from bacteria and dust particles by trapping dust so that it can be swallowed and broken down by the digestive system. Alternatively, dust and bacteria can be expelled when sneezing or coughing.
Mucus is a sticky substance. Describe how mucus and cilia keep the lungs free of bacteria and dust particles.
To keep it clean and free from dust particles. The cilia beat mucus up to the back of the throat where it is swallowed. Without it the mucus would stick and act as a breaking ground for bacteria and fungus.
1) To separate bacteria and dirt from water 2) To ensure that air is free of dust and other substances
tissue who ever never new that go back 2 infants he-he
No even a clean room will have some degree of dust. Most dust is skin from humans so if humans use it it can never be 100 percent dust free
Dust comes from soil and 98% of the Antarctic continent's soil is covered with an ice sheet. Not only is the air dust free, it is also particulate free.
well do u mean in humans ? the nostrils of humans are the filters of air . there are many fine hairs present in our nostrils which filters the air. the passage is also lined with mucus which helps in cleaning of air.
They are relatively safe, but not drug free. And your mucus membranes can get dependant on it.
A victim with a foreign-body airway obstruction becomes unresponsive. What is your first course of action?
Yes,it is
once you have cooked food will in remain free from pathogenic bacteria