List of top Zoology Questions on The respiratory system asked in AP EAPCET

The respiratory centre that regulates breathing rhythm is located in:

Vital capacity (VC) is:

Increased $CO_2$ concentration in blood primarily stimulates:

Cluster of air sacs in lungs are called ___

Identify the correct option
Statement – I: The contraction of internal intercostals muscles and lateral abdominal muscles help in forced expiration.
Statement – II: The contraction of phrenic muscles increases the volume of the thoracic cavity in antero-posterior axis.

Respiratory bronchioles terminate into