Thermo-regulation in dogs takes place by

Which of the following is not the function of the conducting part of the respiratory system?

People who have migrated from the plains to an area adjoining Rohtang Pass about six months back:

Aerobic respiration involves
$I.$ external respiration
$II.$ transport of gases
$III.$ internal respiration
$IV.$ cellular respiration
Choose the correct combination of options for the given statements

Which of the following statements is false?

Whales are air-breathers but can live underwater for a long time because they possess: