Neurons are nerve cells whih are fun units of br nervous system. They are desig to transmit inform to other nerve cells, muscles or glands. They do this by rece sensory input from external forces, send motor commands to muscles, glands or other neurons. They transform and relay electrical signal.
Unlike other cell types they cannot proliferate once they are differentiated. They are non-dividing cells.
Fibroblasts are connective tissue in animals.These are the type of cells that has the ability to synthesizes the extracellular matrix and collagen. These cells have role in wound healing by producing the structural framework for animal tissues.
Neurons:
Neurons are the fundamental structural and functional units of the brain and nervous system. These cells are responsible for receiving sensory information from the external environment, process it and sending commands to our muscles via motor neurons. These cells after maturation loss the ability to proliferate and hence not able to repair successfully.
Endothelium Cells:
These are the cells that are present inside surface of blood vessels and lymphatic vessels. It is a thin layer of simple, or single-layered, squamous cells called endothelial cells. These cells have the ability to divide and repair its damage cells by replacing them with new ones.
1. Space 2 2. Back limb 3. The back limb helps because you can see the shape it was growing into and the tail because two have tails and the others don’t.
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