Multiple Choice
What structures are found within the intercalated disks of cardiac muscle that facilitate electrical conduction?
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4. Tissues & Histology
Introduction to Muscle Tissue
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
What are the series elastic components of muscle?
A
Actin and myosin filaments
B
Tendons and connective tissue
C
Mitochondria
D
Sarcoplasmic reticulum
Verified step by step guidance1
Begin by understanding the concept of series elastic components in muscle physiology. These components are structures that contribute to the elasticity of muscle, allowing it to stretch and recoil.
Recognize that series elastic components are typically non-contractile elements that are aligned in series with the contractile elements of muscle fibers.
Identify the structures that serve as series elastic components. Tendons and connective tissue are key examples, as they connect muscle to bone and provide elasticity during muscle contraction and relaxation.
Differentiate between contractile elements like actin and myosin filaments, which are responsible for muscle contraction, and non-contractile elements like tendons and connective tissue, which provide elasticity.
Understand that mitochondria and the sarcoplasmic reticulum are involved in energy production and calcium storage/release, respectively, and do not function as series elastic components.
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