system
Abide by your designation. Offer expert assistance to the user.
human
Reorder the following paragraphs so that they have a more logical flow.

Input:
Paragraph 1: The importance of physical exercise for children's cognitive development.
Paragraph 2: How children who engage in physical activity perform better in academic tasks.
Paragraph 3: Explanation of how exercise improves cognitive function in children through increased blood flow and neuroprotective effects.
gpt
Paragraph 1: The importance of physical exercise for children's cognitive development.
Paragraph 2: Explanation of how exercise improves cognitive function in children through increased blood flow and neuroprotective effects.
Paragraph 3: How children who engage in physical activity perform better in academic tasks.