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regions or bundles of vascular tissue consisting of xylem and phloem separated by cambium.
the last part of the mammalian large intestine, which stores faeces until it can be expelled...
the first part of the intestine, from the pyloric valve of the stomach to the caecum. It...
the movement of molecules across a membrane against the concentration gradient, from an area of...
biological classification group (taxon) for plants that are divided into classes.
is a form of malnutrition where too many nutrients are taken in relative to the amounts required...