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🔬 Biology  ·  Structural Organisation in Animals  ·  NEET

Which type of epithelium lines the alveoli of the lungs, allowing rapid gas diffusion?

Answer: Squamous epithelium.

  • A Cuboidal epithelium
  • B Columnar epithelium
  • C Squamous epithelium
  • D Compound epithelium

Correct answer: C. Squamous epithelium

Explanation: Squamous epithelium consists of thin, flat cells forming a single layer, ideal for the rapid diffusion of gases as seen in the alveoli of the lungs and the lining of blood vessels.

Four Basic Animal Tissue TypesEpithelialcovering/liningsquamous, cuboidal,columnarprotection,secretionConnectivecells in matrixareolar, adipose,cartilage, bone, bloodsupport,transportMuscularcontractile fibresskeletal, smooth,cardiacmovement,contractionNeuralneurons + neurogliaexcitable, conductsimpulsessignaltransmissionAll four tissue types combine to form organs; organs combine to form organ systems

The four basic animal tissue types and their core functions: epithelial (covering/lining), connective (support and transport), muscular (movement), and neural (signal conduction).

Concept context

The four basic animal tissue types (epithelial, connective, muscular, neural) and the cockroach as a model organism for organ-system level organisation.

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