Englishfor English speakers
tissue
Noun
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A piece of tissue is a sheet of paper that can absorb very well.
He used the tissue I gave him to blow his nose.
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Tissue is a group of cells that work together to do a job.
The human body is made up of many tissues, one example being muscle tissue.
parasite
Noun
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A parasite person who lives on other people's expense and gives little or nothing back.
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A parasite is an organism that lives on or in another organism of a different species and benefits from living on or in that other organism.