Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Respiration investigation INTRODUCTION The aim of this experiment is to measure three aspects of human breathing. Tidal volume; volume of air that moves in and out of the lungs during one cycle of breathing. Breathing rate - the rate at which breathing takes place. Vital capacity - the measure of the volume of the subjects lungs The respond of the tidal volume and breathing rate to oxygen demand will also be measured. PLAN The lungs are the site where gaseous exchange occurs. Breathing is the way in which air enters and leaves the lungs, passing through the trachea, bronchi and bronchioles. Breathing consists of two parts, taking air into the chest (inhalation) and breathing air back out again (exhalation). Pressure changes are involved in breathing; these changes bring about the movement of air in and out of the lungs. The ribs support the body wall of the thorax, which has a dome shape base formed by the diaphragm....

Get instant access

• Instant, unlimited access to our documents in full
• Swap your work for free access, or pay £4.99
• To see the full version of this document and 146,192 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk