The human respiratory system 0.0 / 5 ? BiologyRespiration and exerciseGCSEWJEC Created by: eeeeeeeeeeeeeeCreated on: 22-04-14 16:10 What is not the job of the respiratory system? To make energy through respiration 1 of 19 what needs a respiratory system because the diffusion of oxygen through the surface would be too slow? Large animals 2 of 19 What are the organs of gas exchange in humans? Lungs 3 of 19 On a diagram, what side would your right lung be? Left 4 of 19 What are at the end of the bronchioles? Alveoli 5 of 19 Where does gas exchange take place? Alveoli 6 of 19 What is very close (side by side) with the wall of the alveolus? Wall of the capillary 7 of 19 What is around the red blood cells? Plasma 8 of 19 The large number of alveoli provides a ____________ for gas exchange Large surface area 9 of 19 The thin wall of the alveoli means that gas can pass through.. Easily and quickly 10 of 19 What does the moist lining of the alveoli allow to dissolve before it diffuses through the wall? Oxygen 11 of 19 What do alveoli have so that more gases can be exchanged? A good blood supply 12 of 19 Inspired air is.... Air breathed in 13 of 19 Expired air is... Air breathed out 14 of 19 Which has less oxygen? Expired air 15 of 19 Which has less carbon dioxide? Inspired air 16 of 19 Which has less water vapour? Inspired air 17 of 19 What happens when you breathe in? The diaphragm moves down and the ribs move up and out 18 of 19 What happens to the volume of the thorax when you breathe in? Increases 19 of 19
Comments
No comments have yet been made