Rate of breathing is controlled by

When carbon dioxide concentration in blood increases, breathing becomes

Give the function of the pneumotaxic centre.

Select the correct statements regarding Hering-Breuer reflex.
$i$. Stretch receptors of the lungs are stimulated during maximum forceful expiration.
$ii$. Vagus nerves send impulses to the expiratory center.
$iii$. Prevents lungs from inflation to the point of bursting.
$iv$. Controls depth and rhythm of respiration.
$v$. Promotes the lungs for maximum inflation.
Choose the correct option:

The pneumotaxic center is associated with:

$A$: Pneumotaxic centre controls the rate of respiration.
$R$: Primarily,it controls the switch-off point of inspiration.