muscles unit 1


skeletal muscle is found attached to bones, you can controll its contraction and relaxation, and it sometimes contracts in response to reflexes

cardiac muscle is found only in the heart , it contracts at a steady rate to make the heartbeat, its not under voluntary control

smooth muscel if found in the walls of hollow organs, such as the stomoach and bladder , it is also not under voluntary control

skeletal muscel fibre

-muscel tissue needs to be able to contract in order to move bones

in a muscel, cells join up to make muscle fibres, these are longs tsrands of cells sharing nuclei -and cytoplasm, which is know…


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