Multiple Choice
Which of the following muscles is primarily responsible for inspiration during respiration?
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4. Tissues & Histology
Introduction to Muscle Tissue
Multiple Choice
All muscle types will respond to an electrical stimulus because all muscle cells are:
A
Excitable
B
Contractile
C
Extensible
D
Elastic
Verified step by step guidance1
Understand the key properties of muscle tissue: Muscle cells possess four fundamental characteristics: excitability, contractility, extensibility, and elasticity. These properties allow muscles to perform their functions effectively.
Define 'excitability': Excitability refers to the ability of muscle cells to respond to stimuli, such as electrical signals. This property is crucial for initiating muscle contraction.
Define 'contractility': Contractility is the ability of muscle cells to shorten and generate force when stimulated. This property is essential for movement and maintaining posture.
Define 'extensibility': Extensibility refers to the ability of muscle cells to stretch without being damaged. This property allows muscles to accommodate changes in length during movement.
Define 'elasticity': Elasticity is the ability of muscle cells to return to their original shape after being stretched or contracted. This property helps maintain the structural integrity of muscles.
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