Breathing and E...

Name the chronic respiratory disorder caused mainly by cigarette smoking:-

The given graph shows various pulmonary air volumes and capacities. What is depicted by X and Y in the graph?

Oxygen dissociation curve of haemoglobin is

Direction: Refer the given graph and select the correct options 
Which of these is correct regarding D, E and F areas in the graph?

The maximum number of oxygen molecules that can bind to one molecule of hemoglobin is

The sigmoid shape of the dissociation curve is because

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

During inspiration, the pressure of air is maximum in ___________.

Which part of the human brain controls the breathing movements?

The ultimate end parts of the respiratory system in humans are known as