1. Without a suitable support system, many living things will not be able to live.
2. A suitable support system can
a) give us proper shape and posture
b) support the weight of our body
c) protect our organs from injury
3. A person who has injured one of his legs will need a crutch to help support his body weight
4. Whales can live in water because a great part of its body weight is supported by the buoyancy of water
5. If the whale is washed ashore, it will die because its body weight will crush its internal organs
6. Support systems in plants enable them to stay upright to receive sunlight to manufacture food
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