1. What are veins? How do they help a leaf?
Answers
The veins in a leaf represent the vascular structure of the organ, extending into the leaf via the petiole and provide transportation of water and nutrients between leaf and stem, and play a crucial role in the maintenance of leaf water status and photosynthetic Capacity .
The veins in a leaf represent the vascular structure of the organ, extending into the leaf via the petiole and provide transportation of water and nutrients between leaf and stem, and play a crucial role in the maintenance of leaf water status and photosynthetic Capacity .Veins are composed of xylem and phloem cells embedded in parenchyma, sometimes sclerenchyma, and surrounded by bundle sheath cells. The vein xylem transports water from the petiole throughout the lamina mesophyll, and the phloem transports sugars out of the leaf to the rest of the plant.
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Explanation:
The main function of the veins is to protect the leaf and give support to its shape and structure through its extended network. The next main function is to supply water and mineral salts from the xylem and the phloem respectively to the parts of the leaf from the stem.
The veins are small tube like structures that pass through a leaf. The leaf has 2 types of venation the parallel venation and reticulate venation.
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