name the resource derived from non living things
Answers
1976
INTERCELLULAR SUBSTANCES
Living cells are bound together with other non-living materials, the intercellular substances, to form tissues. Some tissues are composed mainly of one type of cell which carries out the particular function of that tissue but most tissues contain in addition other, less specialized cells whose function is to support the main cell type.
The intercellular substances include tissue fluid and various fibres, notably collagen, elastic and reticular fibres. The functions of these substances are to support and strengthen the tissue or to maintain and nourish the cells whose environment they constitute.
Collagen
This is a tough, fibrous protein comprised of fine fibrils of 0.3 to 0.5 µm diameter aggregated to form microscopically visible fibres and ribbons ranging up to 100 µm thick. The fibres are sometimes referred to as white fibres and they are the characteristic element of all types of connective tissue.
Elastic fibres
These consist of the fibrous protein elastin. They are long, branching homogeneous threads or ribbons, much thinner than collagen fibres. Known also as yellow fibres because of the colour they impart to tissues when present in large numbers, their function is to give such tissues the power of elastic recoil. Elastic fibres are found abundantly in the walls of blood vessels, trachea, lungs and dermis.
Reticular fibres
Structurally similar to collagen fibres to which they are often connected, these fibres differ from collagen in certain methods of demonstration. The delicate networks formed by reticulum fibres offer support for cells, capillaries, and nerve fibres, and are also found at the junctions between connective and other types of tissu
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Answer:
abiotic resources compromise non living things
land, water , air , minerals such as gold , iron ,and silver