Examlex
Discuss why iron is so important to the body and some of the ways the body tries to prevent losing iron.
Clay
A fine-grained natural soil material containing clay minerals, used in ceramics and as a building material due to its plasticity when wet.
Sand
A granular material composed of finely divided rock and mineral particles, typically found on beaches, deserts, and riverbeds.
Sieve Elements
Specialized cells found in the phloem of vascular plants, involved in the transport of sugars and other nutrients from leaves to other parts of the plant.
Companion Cells
Specialized cells found in the phloem of plants that support the function of sieve tube elements.
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