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what are the limitations of a buccal pump? What is an aspiration pump? And how is...

what are the limitations of a buccal pump? What is an aspiration pump? And how is it better than a buccal pump?

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Answer #1

aspiration pump - air is sucked in, or aspirated, by low pressure created around the lungs

- the lungs are located within the pump so that the force required to ventilate them is applied directly
- a moveable diaphragm and rib cage cause pressure changes rather than the action of the buccal cavity.

Where as

Buccal pumping is "breathing with one's cheeks": a method of ventilation used in respiration in which the animal moves the floor of its mouth in a rhythmic manner that is externally apparent. It is the sole means of inflating the lungs in amphibians.There are two ways of buccal pumping, defined by the number of movements of the floor of the mouth needed to complete both inspiration and expiration.

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