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Secretions such as tears, saliva, sweat, and sebum contain chemicals that destroy foreign invaders. ...

ANP2202

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Secretions such as tears, saliva, sweat, and sebum contain chemicals that destroy foreign invaders. ...

Secretions such as tears, saliva, sweat, and sebum contain chemicals that destroy foreign invaders.

Indicate whether the statement is true or false.

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wping

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6 years ago

Brilliant ツ

momochiime

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Helped a lot

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