Breathing and E...

Which of the following is the most appropriate in normal circumstances?

Number of alveoli present in human lungs is?

A molecule of haemoglobin can carry atoms of oxygen.

Although blood caries a lot of $$CO_2$$, it does not become acidic due to _______.

Identify correct statement regarding transport of respiratory gases through blood

For analysis, the blood drawn from a patient will not be placed in a tube having

Volume of air inspired and expired with each normal breath is known as

Pulmonary trunk and aorta are attached by

Which option is completely correct for the given statements?
Statement 1 - The nerve impulse ordered by respiratory centre passes through nerve to the diaphragm and the intercostal muscles and regulates respiration.
Statement 2 - Respiratory centre located in brain stem gives off rythmic stimuli to diaphragm and respiratory muscle and regulate respiration.

Gaseous exchange in birds occurs in