What is a system of knowledge and the methods used to find that knowledge

Science and the method is the scientific method. What is a system of knowledge and the methods used to find that knowledge. Science is an organized system of knowledge or body of knowledge that was gained through scientific methods as the approach to find evidential data to support such fact or claim. The scientific methods is a step process which follows, observation, hypothesis, test, interpretation, and conclusion. Each test sequential to the next.  

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Icant be totally sure but i would say with confidence that it is example #1 about cells.