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Science revision - Coggle Diagram
Science revision
Biology
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orders of magnitude
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A fox is 40 cm long and the tick on the fox is 0.4 cm long how many orders of magnitude is the fox larger than the tick ? 2 magnitudes larger
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Use estimations and explain when they should be used to judge the relative size or area of sub-cellular structures.
if there was a leaf cell at 70 nano meters and you are comparing it to a red blood cell which is 7 nano meters the equation would be 70 / 7 nanometers
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Heart
Heart valves may become faulty so they are not opening as wide as the should which is restricting blood flow to the heart and the pressure of blood decreases which can cause the lungs to fill up with water.
Coronary heart disease is a disease the narrows coronary arteries which take blood away from the heart.
Disease
Health and disease have a relationship because health is not just a physical thing ( being free from disease ) it also include s things such as mental state but disease is stopping the body from working.
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