Which of the following is not an animal tissue?

The correct answer is Parenchyma.

Key Points

• Parenchyma:
  • ​These are living polygonal cells with a big central vacuole & intercellular spaces amidst them.
  • Parenchymatous cells are responsible to create ground pith & tissue.
  • It comprising of chloroplasts and that's why it is termed chlorenchyma & it helps in photosynthesis.
  • Parenchyma which comprises the big air voids is called aerenchyma. 'Buoyancy' is the main purpose of aerenchyma.
  • Some of these cells perform as storage chambers for starch in fruits & vegetables.

Important Points

• Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities, & hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception. 
• Muscle tissue is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts. The tissue is highly cellular and is well supplied with blood vessels.
• Connective tissue, group of tissues in the body that maintains the form of the body and its organs and provides cohesion and internal support.