In the third sentence of the fourth paragraph of the article, "Jellyfish: The Next King of the Sea" by Abigail Tucker, the author mentions the number of swimmers treated by the Spanish red cross primarily to;
- Boost her point that Jellyfish pose a real danger to humans.
In the fourth paragraph, the author reeled out some figures to demonstrate some physical harm that has been caused by the Jellyfish.
In the third paragraph, it was mentioned that 19,000 swimmers who were stung by the jellyfish were treated by the Spanish Red Cross.
This point was made to reinforce the idea that jellyfish pose a danger to human life. In that same paragraph, the box jellyfish could stop a person's heart in three minutes.
Conclusively, the number of swimmers was mentioned to boost the point that jellyfish is dangerous.
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