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An organ is made from two or more tissues, which all work together to do a particular job, like the heart in animals or a leaf in a plant. An organ system is made of a group of organs which all ...
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Amazon S3 on MSNEnergy in Nature: Plants, Animals, and the Food ChainThis film explains how plants and animals obtain energy from food, highlighting the energy needs of various creatures like ...
This is the first in a six-part series all about the organisation of plants and animals, basically how all the bits of us work together. Here we’re going to mainly focus on the human digestive ...
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