While swallowing the glottis the glottis is covered by a thin elastic cartilaginous flap called epiglottis. The epiglottis prevents the food from entering the trachea.
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Name the two centres responsible for the regulation of respiratory rhythm.
Exchange of gases continue to occur even during expiration, give reason.
Why the land animals have respiratory organs inside the body ?
Why foetal haemoglobin has more affinity for O2 than mother’s haemoglobin ?
