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:

Respiratory System Homework Describe the ways in which air is made to enter and leave the lungs during breathing. When breathing in the intercostals and the diaphragm contracts. Thorax volume increases and the air is drawn in the lungs. Air is drawn in the thorax, and then through the sternum, which after goes into the lungs. After the muscles between the ribs pull the rib cage and sternum up and out and finally the diaphragm moves down. When breathing out the intercostals and diaphragm relaxes. Thorax volume decreases and the air is forced out of the lungs. Air is forced in the rib cage and sternum drop in and down, then the air is forced out the thorax and finally to force the air out of the thorax the diaphragm moves up. Describe the jobs of red and white blood cells and explain how these are carried out. The...

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 146,166 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