EXTRAS

• Due to smoking, blood carries less oxygen around body due to carbon monoxide attaching to RBCs leading to breathlessness
• If pregnant woman smokes, her baby will also recieve less oxygen so premature or still births can happen or baby can have low birthweight
• Due to smoking mucus builds up in airways with dirt and pathogens and is not removed due to infection and coughing
• tar and other chemicals can lead to bronchitis or they inflame bronchi
• Tar can damage the alveoli causing chronic obstructive pulmonary disease leading to severe breathlessness and death
• regular exercise decreases risk of developing cardiovascular disease as it lowers blood cholestrol and deposits of fatty material in blood vessles and build muscle tissue increasing metabolic rate and improves blood supply to heart