Negative pressure breathing allows mammals to eat while breathing. Please explain.
Answers
Breathing requires pressure gradient to be created. Mammals and reptiles create this gradient in the lungs by using their diaphragms . This creates a high volume , low pressure in the lung cavity causing air to be sucked in .This eliminates the need of gulping air through the mouth as in frogs .Hence they can swallow food and breathe at the same time.
Negative pressure in the lungs results in air suction which helps in swallow and breath at the same time.
Explanation:
In case of mammals like human beings and reptile and birds have negative pressure in them.
They use their mouth for eating and breathing both the process. The negative air pressure in the lungs can result in the air to be sucked in.
They have the ability to swallow and breathe at the same time without being hindering any of the processes.
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