Question

plant have no circulatory system??why???​

Answer 1

Answer:

Plant cells show the presence of plasmodesmata which are cytoplasmic bridges between neighboring cells. ... In this way, though plants have no circulatory system, plant cells manage intercellular transport.

Answer 2

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Plants have no circulatory system yet they manage to circulate water and minerals for their needs with the help of special tissues.

Transportation of water takes place through the process of diffusion and osmosis, which depend upon the gradient.

Diffusion - when the molecule move from high concentration to low concentration in random direction for short distance.

Osmosis - When the molecules move from its region of higher chemical potential to its region of lower chemical potential.

Imbibition-  It is special type of diffusion when water is absorbed by solids colloid and causing them increase in size or volume. eg: absoption of water by seeds.

Intracellular transport by apoplast pathway and symplast pathway in the adjacent cells or plasmodesmata.

Uptake of mineral ions and water through phloem and xylem {specialised tissue) . Flow through xylem is is unidirectional ,upward while that of phyloem is bi- directional, upward and downward.

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