What is the average weight of an adult human brain?, 500 g, 1 kg, 1.3–1.4 kg, 2 kg, What is the main function of the human brain?, To digest food, To control the body and mind, To protect the heart, To move the bones, How does the brain communicate with the body?, Through blood, Through muscles, Through nerves, Through bones, What are neurons?, Nerve cells, Muscle cells, Blood cells , Skin cells, What helps the brain make decisions faster?, Sleep and experience, Hunger, Fear, Pain, What happens to the brain during sleep?, completely shuts down, It continues to work, It stops thinking forever, It becomes smaller, Which habit is good for the brain?, Lack of sleep, No physical activity, Constant stess , Reading and learning .

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