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Naomi
15/02/2024
Biology
Circulatory System
Circulatory System
Learn about the alternation of contractions and relaxation of the heart, as well as the factors affecting heart rate and risk factors for coronary heart disease.
15/02/2024
438
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Circulatory System
Learn about the alternation of contractions and relaxation of the heart, as well as the factors affecting heart rate and risk factors for coronary heart disease.
Sign up to see the content. It's free!
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Similar content
Biology - The heart + circulatory system IGCSE BIOLOGY
Useful visuals on how blood travels through the heart, use them as posters or just notes. This helped me get 9s
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Can't find what you're looking for? Explore other subjects.
Knowunity is the #1 education app in five European countries
Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.
4.9+
Average app rating
21 M
Pupils love Knowunity
#1
In education app charts in 17 countries
950 K+
Students have uploaded notes
Still not convinced? See what other students are saying...
iOS User
I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D
Philip, iOS User
The app is very simple and well designed. So far I have always found everything I was looking for :D
Lena, iOS user