Q107.
Consider the following four statements (a-d) and select the option which includes all the correct ones only:
(a) At the time of inspiration, contraction in diaphragm and external intercostal muscles takes place.
(b) Normal breathing is also called as abdominal breathing.
(c) Expiration during sneezing, coughing, yoga is normal expiration during which IICM and abdominal muscles relax.
(d) Inspiration can occur if the pressure within lungs (intra pulmonary pressure) is more than the atmospheric pressure.
Source: orcusprep.in