Explain why the elbow is red and swollen.

M.H., age 6, fell while running down stairs and hurt his wrist and elbow. His arm was scraped and bleeding slightly, and the elbow became red, swollen, and painful period normal movement was possible, although painful.

1. Explain why the elbow is red and swollen.

2. Suggest several reasons why movement is painful.

3. State two reasons why healing may be slow in the striped area on the arm, and identify two factors that encourage healing in this boy.

 

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