The Lungs Essay Example for Free

The Lungs EssayWhen air enters the lungs, it travels down the bronchus, which divides like a tree, which gets micro and smaller. At the end of each tiny branch, or bronchiole, is a structure called alveoli. Alveoli are like little balloons of air sacks. Alveoli are full of oxygen-rich air that has been drawn into the lungs during inspiration. This oxygen needs to get into the blood, so that the cardiovascular system can fulfil its role of transporting the oxygen to the working cells. This exitment of oxygen takes place in the alveoli, where a capillary can always be found close by, and the oxygen can move from one place to another that is from the lungs into the blood. The capillary that is close to the alveoli is carrying the blood that has been pumped from the body via the heart. It is carrying a swarm of carbon dioxide. The carbon dioxide move from the blood into the alveoli, at the same time that the oxygen is moving in the other direction. This process is known as gaseou s movement. The movement of oxygen from the alveoli to the blood can be less efficient if the person is suffering from a respiratory disease, and has built up in the lungs.Questions1) excuse the term Inspiration2) Explain the term Expiration3) Draw a flow diagram of the ecological succession of events that occurs during expiration.4) Draw a simple sketch of the size of the rib cage and diaphragm at the drink down of inspiration, and at the end of inspiration.5) What effects does the size of the lungs have on the movement of air into and out of the lungs?6) wherefore is it important that the suction between lungs and the ribs is maintained?7) Using a blank diagram label the structures of the respiratory system.8) Refer to the cardiovascular system and suggest where the heart would be positioned on your diagram.9) What happens to the dust that is filtered out of the in straitened circumstances(p) passage