Respiratory System: Mechanisms and Functions
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Questions and Answers

What is the primary function of the respiratory system?

  • To produce hormones for growth and development
  • To regulate body temperature
  • To supply oxygen to the body and remove carbon dioxide (correct)
  • To digest food and absorb nutrients
  • Which structure in the respiratory system is responsible for filtering and warming inhaled air?

  • Nasal cavity (correct)
  • Alveoli
  • Bronchioles
  • Larynx
  • What is the role of the diaphragm in the process of breathing?

  • Producing mucus to lubricate the airways
  • Regulating blood pressure in the lungs
  • Storing excess oxygen for emergency use
  • Contracting and relaxing to change lung volume (correct)
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