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Leaving Certificate Biology Breathing System 1 iQuiz

FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content. Leaving Certificate Biology Breathing System 1 iQuiz. SECOND Press the F5 Key to Begin, Then click on this Blue Box.

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Leaving Certificate Biology Breathing System 1 iQuiz

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  1. FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content Leaving Certificate BiologyBreathing System 1 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box

  2. The flap of tissue which covers the opening to the larynx and trachea and prevents food going ‘down the wrong way’ is called the … Epiglottis Epididymis Glottis Epicotyl

  3. The lungs excrete … CO2 & Salt H2O & Urea H2O & Salt H2O & CO2

  4. Gas exchange in the lungs takes place in the … Bronchioles Alveolus Nose Blood

  5. Which blood vessels carry deoxygenated blood towards the lungs? Pulmonary vein Pulmonary artery Aorta Vena cava

  6. Alveoli are surrounded by … Arteries Veins Arterioles Capillaries

  7. The percentages of nitrogen, oxygen and carbon dioxide in exhaled air are respectively … 78-20-0.03 78-16-3 78-20-3 20-78-0.03

  8. What is the correct order for the passage of air through the following structures. 1- bronchi; 2 – larynx; 3 – trachea; 4 – nasal cavity; 5 – alveoli. 4-3-2-1-5 4-1-3-2-5 4-2-3-1-5 4-5-3-2-1

  9. Which process does not occur in the nasal cavity? Trapping of foreign bodies Exchange of gases Humidification of air Warming of air

  10. Ciliated cells are found lining the … Trachea Intercostal muscles Oesophagus Diaphragm

  11. Where is oxyhaemoglobin formed? Trachea Diaphragm Lungs Pleura

  12. Which part of the breathing system is reinforced by cartilage? Bronchioles Trachea Nose Alveoli

  13. An inflammatory condition affecting the bronchi, caused by bacteria, viruses and long-term exposure to irritants such as air pollutants and results in a build up of mucus in the bronchi is … Lung cancer Astigmatism Asthma Bronchitis

  14. Name the substance in an inhaler, to widen the bronchioles, used by a person suffering from asthma. Penicillin Bronchodilator Bronchoinhaler Steroids

  15. What is the normal rate of breathing per minute in humans? 70 – 75 1 – 2 16 – 18 30 – 40

  16. The ventilation centre in the brain controls the rate of breathing. In what part of the brain is it located? Cerebellum Medulla oblongata Cerebrum Corpus callosum

  17. Breathing System 1 iQuiz How did you do? Click this Blue Box to find out

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