organ crossword

1. a band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body. (6)
4. the internal organ in which the major part of the digestion of food occurs. (7)
5. a part of an organism which is typically self-contained and has a specific vital function. (5)
8. a flattened structure of a higher plant, typically green and blade-like, that is attached to a stem directly or via a stalk. They are the main organs of photosynthesis and transpiration. (4)

2. A cell that carries out all the processes of the body which includes producing energy and storing it, making proteins which are molecules which have roles in metabolism, transportation of other molecules and DNA replication. (6, 4)
3. each of the pair of organs situated within the ribcage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed. (5)
4. a set of organs in the body with a common structure or function. (6)
7. the part of a plant which attaches it to the ground or to a support, typically underground, conveying water and nourishment to the rest of the plant via numerous branches and fibres. (4)
9. the reason some object or process occurred in a system that evolved through natural selection. (8)
10. they have a nucleus, cell membrane, cytoplasm and mitochondria too, but they also contain the following structures: Cell wall – A hard layer outside the cell membrane, containing cellulose to provide strength to the plant. (5, 4)

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