Question

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Answer 1

Veins are vessels of the circulatory system that support circulation by conveying blood to the heart. Blood flowing through the circulatory system transports nutrients, oxygen, and water to cells throughout the body.

Answer 2

Answer:

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Explanation:

: In some leaves, the veins and veinlets are irregularly distributed over the entire lamina, forming a network. Such leaves are said to have reticulated venation. Example: peepal, guava, mango , tulsi, coriander and china rose etc.

: In some leaves, the veins run parallel to each other. Such leaves have are said to have parallel venation. Example: banana, grass and wheat.etc.

Function of veins

Veins provide support for the leaf and transport both water and minerals (via xylem) and food energy (via phloem) through the leaf and on to the rest of the plant.

Function of veinlets

veinlets give rigidity to the leaf blade and help in the transportation of water and other substances.