Tutors Avenue Center

Home

Order Now

causing them to expand. Air flows to the alveoli where gaseous exchange takes place.

Expiration

Expiration is the net movement of air out of the lungs. This process is defined to be passive because it doesnt require energy. The external intercostal muscles relax

—

by

in and the internal intercostal muscle contract. The diaphragm muscle relaxes and assumes its normal dome shape. The ribcage moves downwards and inwards. Volume in the thoracic cavity reduces

Need help with assignments?

Our qualified writers can create original, plagiarism-free papers in any format you choose (APA, MLA, Harvard, Chicago, etc.)

Order from us for quality, customized work in due time of your choice.

Click Here To Order Now

decreasing the pressure. The pressure difference between the external environment and the lungs causes air to move into the lungs

Need help with assignments?

Our qualified writers can create original, plagiarism-free papers in any format you choose (APA, MLA, Harvard, Chicago, etc.)

Order from us for quality, customized work in due time of your choice.

Click Here To Order Now