1) The main ORGAN responsible for breathing is: a) the brain b) the live c) the lungs d) the kidneys 2) What is the process called when you breathe in the air? a) Inhalation b) Exhalation 3) Breathing is the same as respiration. a) True b) False 4) Which of the following shows the air passage for inhalation? a) lungs --> nose --> trachea b) nose --> lungs --> trachea c) trachea --> lungs --> nose d) nose --> trachea --> lungs 5) When you exhale, the diaphragm a) moves upwards b) flattens c) moves downwards d) none of the above 6) What is the muscle under the lungs called? a) Bronchus b) Cardiac c) Diaphragm d) Intercostal 7) Word formula for respiration: water + carbon dioxide → glucose + oxygen + energy? a) True b) False 8) When you breathe, your lungs take in ___ and remove ___. a) air/oxygen b) carbon dioxide/waste c) oxygen/carbon dioxide d) waste/air 9) What is the site of gas exchange? a) alveoli b) bronchus c) nose d) trachea 10) Which word describes the mechanical movements used to inhale and exhale air? a) Gas Exchange b) Breathing c) Respiration d) Transport

Breathing

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