The total pulmonary ventilation is related to the metabolic rate of the body as:

In which of the following plants are sunken stomata found?

Which of the following plants possesses sunken stomata?

What is the respiratory rate in a rabbit?

Read the steps of respiration and arrange them in the correct sequence.
$I$ - Transport of gases by blood.
$II$ - Utilization of $O_2$ by cells for catabolic reactions and release of $CO_2$.
$III$ - Diffusion of gases across the alveolar membrane.
$IV$ - Diffusion of $O_2$ and $CO_2$ between blood and tissues.

Thermo-regulation in dogs takes place by