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HARMFUL EFFECTS OF SMOKING Smoking is a danger to pricey health as a result of the substances contained in cigarettes. gage mostly affects the respiratory and the cardiovascular system of the heart. It raises blood pressure, causes malodorousness problems for couples, worsens asthma and causes cataracts. Smoking also causes an acid taste in the mouth and contributes to the development of ulcers. Also will explain the cellular respiration in briefly. I will start by describing how the heart and the respiratory system work and then I will show how smoking can affect them. The respiratory system is situated in the thorax, and is responsible for gaseous re-sentencing between the circulatory system and the outside world. The main ferment of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all part of the body. The respiratory system does this with take a breath. During breathing, oxygen is inhaled and carbon dioxide is exhaled during breathing out.

This exchange of gases is how the respiratory system supplies oxygen to the blood, (Cited in grade & Physiology 2005 pg150). Respiration occurs through the mouth, nose, trachea, lungs, and diaphragm. Oxygen enters the respiratory system through the mouth and the nose. The oxygen then passes through the larynx and the flatus pipe or the trachea. As shown in diagram 1&2. Below, in the chest cavity, the trachea divides into two smaller tubes called the bronchi. severally bronchus then divides again forming the bronchial tubes. The bronchial tubes ace directly into the lungs where they divide into many smaller tubes which connect to trivial sacs called alveoli. These air sacs are many If you want to get a full essay, order it on our website: Orderessay

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