Welcome to your CIE AS Gas exchange and smoking Select the incorrect statement out of the following. The air is warmed to room temperature when it flows through the nose and trachea. The hairs inside the nose and the mucus lining along the nasal passage helps to trap dust, pollen, sand and bacteria. Phagocytic white blood cells are known as macrophages. Goblet cells produce mucus in the trachea and bronchi.Lungs are encased in thin membranes called ________. Alveolar duct Diaphragm Pleura Rib cageSelect the correct statement regarding lung cancer. The most common symptom of lung cancer is coughing up blood. Lung cancer takes 5-10 years to develop. People with lung cancer do not get chest pain. People with lung cancer breathe with ease.An essential feature of alveoli which contributes towards efficient gas exchange. The alveoli are present in the lungs. Alveoli are less in number. The alveoli are surrounded by capillaries. They have thick walls.The drug in tobacco. Tar Carbon dioxide Nicotine Carbon monoxideHow does the oxygen move from the lungs into the blood stream? Small blood vessels Veins Nerve fibres A large arteryDestruction of alveoli occur in the following disease. Asthma Emphysema Bronchitis PneumoniaThe substance in tobacco which decreases the oxygen carrying capacity of haemoglobin. Tar Nicotine Carbon monoxide Carbon dioxideTreatment options for lung cancer is dependant on the following factors:a) Type of lung cancer. b) Occurance of metastasis. c) History of genetic diseases. d) Severity of the disease. a & d only a & c only b, c & d a, b & dWhich of the following contains cartilage? Capillary Alveolus Diaphragm TracheaTime is Up!