Classic Classic The Respiratory System 5th grade quiz by Tekape Tekape 5 599 played - 10 yrs ago Reviews respiratory system QUIZ 7 QUESTIONS medium 1 What is the major organ of the respiratory system? The heartThe lungsThe pulmonary arteries 2 Alveoli are : Capillaries that diffuse nutrients.Large branches from the trachea.Small air sacs in the lungs where gas exchange occurs. 3 The trachea is : A small set of capillaries where gas exchange occurs.The tube that delivers food to the stomach.The windpipe 4 Bronchi are : Branches of the trachea that deliver air to and from the lungs.Small sacs where gas exchange takes place in the lungs.The blood vessels that deliver oxygen poor blood to the alveoli. 5 Pulmonary arteries deliver : Oxygen to the lungs.Blood from the heart to the lungs.Blood from the lungs to the heart. 6 During the diffusion of gases in the alveoli : Oxygen is diffused from the lungs into the blood.Carbon dioxide is diffused from the blood to the lungs.Both of the above are correct. 7 The following are components of the respiratory system EXCEPT : AlveoliBronchiVilli A mistake in this Quiz ? Contact the author Commentaires