Alexander McGowan-Yeo (Alex)
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The muscle consists of thousands of what...
Myofibrils.
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What do your muscle cells consist of?
Mitochondria, nuclei, and a membrane called sarcolemma.
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What do myofibrils form together?
Muscle fibre.
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What do muscle fibres form?
Larger string-like bundles called fascicles.
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What do fascicles form?
Large rope-like muscle organs such as your bicep.
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What are the supportive sheaths of connective tissue inside the muscle called?
Epimysium, perimysium and endomysium.
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What is epimysium?
Dense connective tissue which your entire muscle is wrapped in.
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What is perimysium?
A sheath that surrounds the fascicles inside your muscle.
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What is endomysium?
The innermost layer that surrounds and reinforces every muscle fibre.
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What do myofibrils contain?
Sarcomeres which are made up of actin and myosin filaments.
