Cellular organizationVersión en línea Guess the level of cellular organization. por maria antonia Iglesias 1 They are made of different groups of cells. Hints 1 The groups of cells have different jobs but they also work together to complete a mission. 2 Their work is very complex. We don't need microscope to see them. 3 They are part of the fourth level of cellular organization. 4 Examples: the digestive system, the circulatory system, the nervous system...
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