https://padlet.com/14s_brown/thelungs All about the lungs en-us 2017-06-08 11:29:51 UTC 2023-02-20 00:15:49 UTC hello@padlet.com 14s_brown https://padlet.com/14s_brown/thelungs/wish/175711586 2017-06-08 11:41:02 UTC https://padlet.com/14s_brown/thelungs/wish/175711586 14s_brown https://padlet.com/14s_brown/thelungs/wish/175711763 This is the windpipe - it links the mouth and nose to the bronchi. It is about 4 inches in length and less than a inch in diameter. It is made up of rings of tough cartilage. At the back of the rings there is a layer of muscle and joining tissue. The trachea is lined by a layer of mist, smooth tissue called mucosa]]> 2017-06-08 11:42:02 UTC https://padlet.com/14s_brown/thelungs/wish/175711763 14s_brown https://padlet.com/14s_brown/thelungs/wish/175712227 The tubes leading from the trachea to the lungs. There is a left and right bronchus that are made of cartilage and get smaller as they get deeper in the lung tissue and then they are considered bronchioles. ]]> 2017-06-08 11:45:58 UTC https://padlet.com/14s_brown/thelungs/wish/175712227 14s_brown https://padlet.com/14s_brown/thelungs/wish/175714247 The bronchioles led to alveoli. This is where gas exchange happens. they are made up of a single layer of epidemical tissue with a hollow cavity with a strong supply of capillaries. The alveoli have a large surface area so are a good exchange surface. ]]> 2017-06-08 12:02:29 UTC https://padlet.com/14s_brown/thelungs/wish/175714247