Air filled in dead space is

What is dead space air ?

Assertion (A) : Dead space is not involved in gaseous exchange. Reason (R) : Some of the inspired air never reaches the gas exchange areas but fi lls the respiratory passages where exchange of gases does not occur. This air is called dead space.

Air filled capacitor is charged by a battery and after charging battery is removed. A slab of dielectric material is inserted in it to fill the space completely . The electric field in the capacitor is

Dead space air is the

The volume of air in the dead space fo human lungs is normally

The volume of air in the dead space fo human lungs is normally