What animal has a short lifespan but has made great contributions to mankind? What is the contribution?

Spring silkworms, Li Shangyin has a poem that praises the dedication of spring silkworms.

Because silk can be used to make silk quilts: silk quilts are anti-moth, antibacterial, anti-allergic and skin-friendly

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Silkworm excrement can be used as silkworm excrement pillow: silkworm excrement is warm in nature, sweet and pungent in taste, can dry dampness and dispel wind, strengthen the brain and improve intelligence, soothe the nerves, lower blood pressure, and regulate sleep

Silkworm excrement can also be used Used as medicine to dispel rheumatism

The shed skin of silkworms can be used as medicine.

Silkworm pupae are edible and have extremely high protein content.