mention the role of vitamin D in human body. write the characteristics of meristematic.
Answers
Meristematic tissue has a number of definingfeatures, including small cells, thin cell walls, large cell nuclei, absent or small vacuoles, and no intercellular spaces. The apical meristem (the growing tip) functions to trigger the growth of new cells in young seedlings at the tips of roots and shoots and forming buds.
Your body must have vitamin D to absorb calcium and promote bone growth. Too littlevitamin D results in soft bones in children (rickets) and fragile, misshapen bones in adults (osteomalacia). You also need vitamin D for other important body functions.
Explanation:
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Answer:
Characteristics of meristematic tissues: (any four)
1. They are made up of immature cells.
2. They have the capability to differentiate into any cell.
3. They are living and thin walled.
4. They are diploid in nature and show mitotic division.
5. The cells of meristematic tissues are rich in cytoplasm.
6. They do not contain reserve food materials, ER and plastids.
vitamin D in human body
The major biological function of vitamin D is to maintain normal blood levels of calcium and phosphorus. Vitamin D aids in the absorption of calcium, helping to form and maintain strong bones.