When the diaphragm contracts, the thoracic cavity is expanded, reducing intra-thoracic pressure and drawing air into the lungs.

When the diaphragm contracts, it pulls the lower wall of the chest cavity down, increasing the volume of the lungs which then fill with air.

Stephen felt his mouth widen involuntarily, his diaphragm contract, and his breath beginning to come in short thick pants.

The chest muscles and diaphragm contract and the entire body may thrash and struggle.

When you breathe in, the diaphragm contracts, creating a vacuum that causes a rush of fresh air into the lungs.

Specifically, there are no impulses from the nerves to make the diaphragm contract.

During normal inspiration, the diaphragm contracts and intercostal muscles push the rib cage out.

When the electrodes are stimulated by current, the diaphragm contracts and air is sucked into the lungs.

When this motor point is activated, the entire diaphragm contracts.

During inspiration of air, the diaphragm contracts and the lungs expand drawn by pleurae through surface tension and negative pressure.