During inhalation, the volume of the chest cavity ________ while the diaphragm _______.
During inhalation the diaphragm moves(a) upwards(b) downwards(c) towards left(d) towards right
During exhalation, the diaphragm moves up and the chest cavity volume is ___ .
Inhalation and Exhalation are a result of combined action of thoracic cavity and diaphragms.
The floor of the chest cavity has a thick muscular partition known as the diaphragm.