![subject](/tpl/images/cats/biologiya.png)
Jane likes playing football.
When she plays football, she uses more energy than usual.
Some of her body systems work faster than normal.
Task:
Describe what happens to her circulation system and her breathing
system when she plays football. Explain why these changes happen.
Draw diagrams to help explain your ideas.
Keywords to include: respiration, heart, lungs, oxygen, carbon dioxide,
alveoli, inhalation, exhalation, diffusion, red blood cells (13 marks)
![ansver](/tpl/images/cats/User.png)
Answers: 2
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Jane likes playing football.
When she plays football, she uses more energy than usual.
S...
When she plays football, she uses more energy than usual.
S...
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