When the external temperature is higher than our body temperature, we regulate it by $........$, and when it is lower than our body temperature, we regulate it by $........$.

What is the respiratory rate in a newborn baby compared to an adult?

After fast running,a man has a fast heartbeat,a slow pulse,and shallow breathing. In such conditions,he has:

Which of the following are the correct statements regarding respiration in humans?

Which of the following statements are not correct?
$I.$ Diffusion membrane is made up of $3$ layers
$II.$ Solubility of $CO_{2}$ in blood is higher than $O_{2}$ by $25$ times
$III.$ Breathing volumes are estimated by spirometer
$IV.$ High $H^{+}$ in blood favours oxygen dissociation
Choose the correct option

Select the incorrect sentence for respiration.