Breathing and E...

Respiratory enzymes are present in which of the following organelle?

Transport of O$$_2$$ is done by 

The given figure shows the diagrammatic view of human respiratory system. Identify A, B, C and D.

Match column I with column II and select the correct option from the given codes.

Which of the following sequences is correct to initiate inspiration? 
(i)    The contraction of external intercostal muscles raises the ribs and sternum
(ii)   Volume of thorax increases in the dorso-ventral axis 
(iii)  Intrapulmonary pressure decreases 
(iv)  Diaphragm contraction 
(v)   Air rushes into lungs 
(vi)   Volume of thorax increases in the anterior-posterior axis 

Study the given figure of respiratory passage carefully and identify the-parts labelled as A, B, C, D and E.

The relationship between pressure and volume was first noted by ............. while ............. confirmed their discovery and ............ published the result.

Which of the following is present in alveoli? 

The narrowest and most numerous tubes of lungs are termed as