Inspiration occurs when there is ___________(a) no pressure gradient(b) negative pressure in the lungs(c) positive pressure in the lungs(d) more pressure in lungs than atmosphereThis question was posed to me in an online interview.Query is from Mechanism of Breathing-1 topic in portion Breathing and Exchange of Gases of Biology – Class 11

Inspiration occurs when there is ___________(a) no pressure gradient(b

1.	Inspiration occurs when there is ___________(a) no pressure gradient(b) negative pressure in the lungs(c) positive pressure in the lungs(d) more pressure in lungs than atmosphereThis question was posed to me in an online interview.Query is from Mechanism of Breathing-1 topic in portion Breathing and Exchange of Gases of Biology – Class 11
Answer» RIGHT OPTION is (b) negative pressure in the lungs Easy explanation: Inspiration can occur if the pressure WITHIN the lungs is LESS than the atmospheric pressure. So, there is a negative pressure in the lungs than the atmospheric pressure.

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