NUTRITION
THE HUMAN BODY
| Question 
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 A friend tosses a ball to you. Which action does your body take first to catch the ball? 
|  |  Your eyes signal your brain that a ball is approaching. 
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|  |  Your brain sends a signal to the spinal cord. 
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|  |  Nerves signal the muscles in your arms to relax. 
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|  |  Muscles in your arms cause your arms to grab the ball. 
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 Explanation: 
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