
Concept explainers
Introduction: Tissues are formed by group of cells with similar structure and function together to perform a specific function. The word “tissue” is derived from a French word, which means “to weave”. The organs are made-up of group of tissues that involve in specialized functions.

Answer to Problem 1CA
Correct answer: Option a. epithelial
Explanation of Solution
Reasons for the correct answer:
Option a. is given as “epithelial”.
The epithelial cells are the only cells that are found throughout the body. The epithelial tissues are single layer cells that form a protective covering in most of the organs and in blood vessels and also aid in absorption and secretion.
Hence, option a. is correct.
Reasons for the incorrect answers:
Option b. is given as “connective”. The connective tissues are supportive tissues found along with other tissues they support and bind the soft body parts. Hence, option b. is incorrect.
Option c. is given as “muscle”. The muscle tissue is made-up of muscle cells known as myocyte, which are long and tubular in structure. The muscle tissues are fiber like tissue that aid in locomotion and body posture. Hence, option c. is incorrect.
Option d. is given as “all the above”. The connective tissues, epithelial tissues, and muscles tissues might not be found in all the body parts. For example, the epithelial cells are absent in dense connective tissues like bones and muscle tissue are absent in loose connective tissues. Hence, option d. is incorrect.
Therefore, options b., c., and d. are incorrect.
Among the tissues, the epithelial tissues are the simple single cells that form the protective layer around the organs.
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Chapter 5 Solutions
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