a part of an organism which is typically self-contained and has a specific vital function.
organ
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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.
lungs
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a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.
heart
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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.
muscle
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an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating centre of sensation and intellectual and nervous activity.
brain
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the internal organ in which the major part of the digestion of food occurs.
stomach
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The system that is involved in breathing.
respiratory system
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The system of organs responsible for getting food into and out of the body and for making use of food to keep the body healthy.
digestive system
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an individual animal, plant, or single-celled life form.
organism
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an organ system that permits blood to circulate and transport nutrients, oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body.
circulatory system
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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.
animal cell
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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.
plant cell
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a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body.
nervous system
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any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
tissue
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a specialized tissue found in animals which functions by contracting, thereby applying forces to different parts of the body.
muscle tissue
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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.
leaf
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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.
root
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a set of organs in the body with a common structure or function.
system
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the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
cell
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An arrangement or organization of parts to form an organ, system, or living thing.
structure
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the reason some object or process occurred in a system that evolved through natural selection.
function
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Other cards in this set
Card 2
Front
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.
Back
lungs
Card 3
Front
a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.
Back
Card 4
Front
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.
Back
Card 5
Front
an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating centre of sensation and intellectual and nervous activity.
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