Which one of the following organs in the human body is most affected due to shortage of oxygen?

Much developed larynx of human male is called

What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs ?

Functional residual capacity can be represented as

Lungs in addition to the respiratory function also help in –

If the thoracic wall but not lungs is punctured-

During transportation of CO₂ when bicarbonate ions diffuses from RBC into plasma, the increased hydrogen ion concentration in RBC is balanced by the entry of which substance from plasma

Common feature of human and insect trachea is –

6000 to 8000 ml of air is the

Which energy is consumed in breathing ?