During natural ventilation the _______ leaves from the ventilators. (cold air/warm air)

In lungs, the air is separated from the venous blood through

In lungs, the air is separated from the venous blood through

Land and sea breezes are convection currents of cold and warm air.

Carbon is absorbed as "___________" from the air.

When a sound wave travels from water to air , it

Write True/False: The hot air in the rooms rises up and flows out of ventilators. The fresh and cold air from outside flows into room from doors and windows.

The alveolar ventilation per minute refers to the amount of fresh air which reaches the alveoli of the lungs per minute. Alvelor ventilation per minute equals the

Breathing invovles two stages (a)___ during which atmospheric air is drawn in and (b)_____ by which the alveolar air is released out.

The volume of air left in the lungs after maximum expiration is called "_____________" while volume of air breathed out during a normal restful respiration is called "_____________" .