A. Fill in the blanks with suitable words. 1 respiration occurs inside cells. 2. During inhalation, ribs move and 3. End products of respiration are and energy 4. Breathing involves two steps and 5. Opening of larynx in the pharynx is protected by
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1) Cellular respiration
2) forwards and upwards
3) CO2, H20 & energy in the form of ATP
4) Inhalation & Exhalation
5) Epiglottis
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