![]() Two types of dead space are found -Īnatomical dead space – the part of the respiratory tract before the bronchioles ( nasal cavities, nasopharynx, larynx, trachea, bronchioles) where gaseous exchange does not take place are referred to as anatomical dead space. The value of Residual volume is found to be $1200$ ml in the case of males and $960$ ml in the case of females.ĭead space is a part of the respiratory tract, containing a part of inspired air not participating in a gaseous exchange with blood capillaries and the amount of air present in the dead space is known as the dead space air. ![]() ![]() Residual volume is the amount of air found in both the lungs after a forceful expiration. Various lung diseases are diagnosed by the physiological dead space volume. Residual volume is a normal phenomenon but the dead space volume(physiological dead space) occurs due to lack of the blood supply into the alveoli resulting in the improper gaseous exchange of the alveoli. Hint: No, residual volume and dead space volume are not synonymous. ![]()
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