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Transcript
MUSCLE TISSUE
Muscle Tissue Characteristics
• Contractile
• Made of contractile proteins
• Cells are called fibers
Skeletal Muscle
• 40% of body weight
• Under voluntary control; attached to skeleton
• Striated, or banded, appearance
• Cells have multiple nuclei
Smooth Muscle Characteristics
• Not under voluntary control
• Found in walls of hollow organs, skin, and
eyes
• Tapered and have no striations
Cardiac Muscle Characteristics
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Muscle of the heart
It is not under voluntary control
Striated
Connected to each other via intercalated discs
Compare the muscles:
Check Your Knowledge
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What are muscle cells made of?
PROTEIN
What are muscle cells called?
FIBERS
What are three types of muscles?
SKELETAL, SMOOTH, AND CARDIAC
More Muscle Questions…
• Which 2 types of muscle are involuntary?
• SMOOTH AND CARDIAC
• Which muscle type can be controlled
consciously?
• SKELETAL
• Which muscle type/s have striations?
• SKELETAL AND CARDIAC