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activities-muscle-tissue printable

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Application
Draw the three types of muscle tissue and differentiate each according to their morphologic and functional
characteristics.
Types of Muscle Tissue
Cardiac muscle
Morphologic/functional characteristics
Skeletal muscle
Morphologic/functional characteristics
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Smooth muscle
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1. Briefly discuss the functions of the muscle tissues.
2. Differentiate elasticity from extensibility.
3. Differentiate the three types of muscle tissue according to their morphologic appearance and manner
of contraction
4. What is a sarcomere?
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Application
1. Draw and label the structures of the thin and thick filament of myofibrils.
The Thin Filament
The Thick Filament
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2. Draw the sarcomere and label the structures within.
The Muscle Tissue Sarcomere
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1. How are skeletal muscles cells develop?
2. What are the different connective tissue coverings of the muscle tissue?
3. Differentiate the types of skeletal muscle fibers according to metabolic profile, contractile speed,
velocity and distribution.
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4. What is the A band? The I band? The H zone?
5. What is the sequence of events in excitation-contraction coupling?
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Application
1. Draw and label the structures of a cardiac muscle.
Cardiac Muscle
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1. What are intercalated discs?
2. How are cardiac muscle fibers different from skeletal muscle fibers?
3. Enumerate and describe the cell to cell junction adjoining cardiac muscle cells.
4. How does the cardiac muscle tissue heal in response to injury?
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Application
1. Draw and label the structures of a smooth muscle.
Smooth Muscle
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1. What is the appearance of smooth muscle cells?
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2. What are the factors that trigger contraction in smooth muscles? Discuss.
3. Are smooth muscles capable of regeneration? If yes, how do it respond to a muscle injury in various body
parts?
Textbook References:
Mescher, A. Junqueira's Basic Histology (12th ed.). McGraw Hill, Lange.
Ross, M., & Pawlina, W. Histology A Text and Atlas with Correlated Cell and Molecular Biology (6th ed.). Philadelphia, PA
19103: Lippincott Williams & Wilkins.
Young, B., O'Dowd, G., & Woodford, P. (2014). Wheater's functional histology. Philadelphia, PA: Churchill
Livingston/Elsevier.
Online References:
https://content.byui.edu/file/a236934c-3c60-4fe9 90aad343b3e3a640/1/module7/readings/function_muscle_tissue.html
https://nba.uth.tmc.edu/neuroscience/m/s3/chapter01.html
https://www.ck12.org/biology/muscle-contraction-energy/lesson/Muscle-Contraction-Energy-Supply-Advanced-BIO-ADV/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3042154/
https://www.thoughtco.com/muscle-tissue-anatomy-373195
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