IGCSE /Grade 10
Science MCQ Based On Protecting the gas exchange system from pathogens and particles
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IGCSE Grade 10 Science Protecting the gas exchange system from pathogens and particles
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The immune system is a body-wide mechanism that fights off pathogens.
It is a part of respiratory system
The junction of arteries and veins is called a capillary.
respiration is the breaking of food into glucose and get energy.
Lungs are protected by the ribs
Breaking down of food into glucose and get energy by oxidation is called respiration.
Respiratory system helps is gas exchange
Mucus helps in protection from pathogens
Inhale and exhale means to take in and out of the air.
Mucus is the sticky substance that is secereted by stomach.
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