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1. Carry and transmit signals 2. They are small because they lack a nucleus. 3. They help the neuron receive messages from the axon of another neuron. 4. A neuron may signal when and where oxygen is needed. 5. Neurons contain DNA, but red blood cells do
1. True: Developed the use of fire & were nomadic False: built permanent dwellings & Irrigated and farmed the land 2. They arose in Africa and spread to the rest of the world 3. A skull fragment We got a 100%

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