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11.1 gas exchange system all Questions & answers solved accurately with Complete Solution Graded A+ latest version
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11.1 gas exchange system all Questions & answers solved accurately with Complete Solution Graded A+ latest version

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  • July 6, 2024
  • 2
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • 111 gas exchange system all questions answers s

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  • Tets
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TUTORSON

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11.1 gas exchange system
thorax-✅✅ two spongy organs found inside the chest
intercostal muscle (internal)-✅✅ contract to lower the ribs downwards
and inwards

✅✅ contract to raise the ribs upwards and
intercostal muscle (external)-
outwards

diaphragm - ✅✅ sheet of fibrous tissue and muscle that separates the
throax from the abdomen

larynx-✅✅ a voice box, contains vocal cords and are using for breathing,
swalling and talking

trachea- ✅✅ the windpipe which connects the throat to the lungs
bronchi-✅✅ two brances, which each enter a lung

bronchioles-✅✅ many tiny branches from bronchi

alveoli-✅✅ tiny air sacs where gas exchange takes place

epiglottis-✅✅ a flap of which covers the opening to the larynx, stops food
from going down to the trachea

✅✅ keeps the trachea open
cartilage (function)-

pleural membrane (function) -✅✅ the lungs are held against the rib wall
by pleural membrane

how are the c-shaped rings of the cartilage connected to the trachea-✅✅
they are joined by the muscle at the back of the trachea

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