There are more than 600 muscles in the human body. One of the main types is skeletal muscles which hold your skeleton in position and help you to move.
- Skeletal muscles consist of elongated, rod-shaped cells, known as muscle fibers.
- Muscle fibers contain thousands of protein filaments called myofibrils.
- The myofibrils slide against one another when the muscle contracts, causing movement.
- Muscles can only pull and are arranged in pairs, working together to allow all type of movement.
Without your skeletal muscles you wouldn't be able to move.
They are attached to your skeleton, and when they contract, they move your bones.
Muscles are attached to bones
Skeletal muscles are made up of thousands of elongated, rod-shaped cells known as muscle fibres.
Each muscle fibre is only a single cell, ...
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