Class 11 NEET Biology Body Fluids and Circulation

Option (4) is the correct answer as neuroglia are a part of nervous tissue.
• Neuroglia are the supportive cells of nervous tissue. They make up more than half the volume of neural tissue. Neurons, the unit of neural system are excitable cells.
• Cartilage and blood are specialised type of connective tissues.
• Adipose tissue is a type of loose connective tissue.