The Lungs & Gas Exchange
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Watch the video below before having a go at the quiz questions and finally the exam questions on this topic.
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Label the parts of the lungs as shown in the diagram above.
Which of the following muscles help with inhalation and exhalation during exercise? Select all of the correct answers.CorrectIncorrect
Put the following statements into the correct order.
Oxygenated blood then travels around the body in order to provide the muscles with energy
The air travels through the bronchi and into the bronchioles
At this point oxygen diffuses into the bloodstream
The air reaches the alveoli
Air enters the body and travels down the trachea
What are the features of the alveoli that allow gas exchange to happen effectively? Select all of the correct answers.CorrectIncorrect
Why does diffusion occur at the site of the muscles and the lungs?CorrectIncorrect
What attaches to oxygen within red blood cells?CorrectIncorrect
Have a go at the exam questions below. The video below the questions will run through the mark scheme. This video will only become available after submitting your answers.