filter
  • Subject:

    ...

  • Topic:

    ...

Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because

(a) there is a negative pressure in the lungs

(b) there is a negative intrapleural pressure pulling at the lung walls

(c) there is a positive intrapleural pressure

(d) pressure in the lungs in higher than the atmospheric pressure

NEET