The cells in a tissue have identical shapes and identical functions. Do you agree? Give reasons.
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The cells in a tissue have identical shapes and identical functions. Do you agree? Give reasons.
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Answer: The given statement that cells in a tissue have identical shapes and identical functions is correct.
Tissue is defined as a group of cells that are similar in shape/ form and perform identical functions. In other words, it is a cluster of cells, which are made to perform same functions.
Example- Nervous tissue ( present in brain, spinal cord, and peripheral nerves) is composed of neurons ( also called nerve cells) that perform the transmission of nerve impulses.
The cells in tissue do not have identical shapes and identical functions.
The reasons are as follows:
· Each cell in a tissue is assigned a specified function, in order to develop the entire tissue
· For example, skin is a tissue containing "different types of cells" such as fibroblasts, Keratinocytes, melanocytes
· Fibroblasts have a spindle shape morphology and majorly secrete collagen which is the major constituent of the ECM ( Extracellular Matrix )
· Keratinocytes have cuboidal morphology, they give protection to the cells
· Melanocytes are pigmented cells that secrete melanin So all these "different types of cells" forms a tissue