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
respiration is the breaking of food into glucose and get energy.
Inhale and exhale means to take in and out of the air.
Respiratory system helps is gas exchange
The immune system is a body-wide mechanism that fights off pathogens.
Mucus is the sticky substance that is secereted by stomach.
Mucus helps in protection from pathogens
Through lungs organism exchange air.
Breaking down of food into glucose and get energy by oxidation is called respiration.
Lungs are protected by the ribs
The junction of arteries and veins is called a capillary.
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