17 Questions
In unicellular organisms, which cell carries out all functions like digestion, respiration, and reproduction?
A single cell
What is the basic unit of structure and function in multicellular animals?
Cells
Which term refers to a group of similar cells along with intercellular substances performing a specific function?
Tissue
What is the correct sequence of organization in multicellular animals from basic to more complex?
Cells, tissues, organs, organ systems
How many basic types of tissues are present in complex animals?
Four
What is the term used to describe the common function performed by two or more organs through physical and/or chemical interaction?
Organ system
Where are microvilli commonly found in the body?
Ducts of glands and tubular parts of nephrons
What is the main function of the epithelium in the proximal convoluted tubule of nephrons?
Secretion and absorption
What type of cells make up the columnar epithelium?
Tall and slender cells
What is the role of ciliated epithelium in the body?
Move particles or mucus in a specific direction
Where can ciliated epithelium mainly be found in the body?
Inner surface of bronchioles and fallopian tubes
What is the defining characteristic of epithelial tissue?
Compact packing of cells
Where would you expect to find squamous epithelium in the human body based on its function?
In the walls of blood vessels
Which type of epithelial tissue functions as a lining for body cavities and tubes?
Simple squamous epithelium
What is the structural difference between simple and compound epithelium?
Two or more cell layers in compound epithelium
In what way do cuboidal cells differ from squamous cells structurally?
Cube-like shape compared to flattened shape
Which type of epithelial tissue provides a protective function similar to that of the skin?
Compound squamous epithelium
Explore the differences between unicellular and multicellular organisms in the animal kingdom, including how different cells perform various functions in complex multicellular animals. Learn about the organization of cells in simple organisms like Hydra.
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