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Muscle cells are also known as muscle fibres. A muscle fibre is made up of myofibrils. The myofibrils are made of many myofilaments. When myofilaments are stimulated by a nerve impulse they slide over each other contracting or shortening the muscles.
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∙ 8y ago
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∙ 11y agoThink of your Bicep. When muscles contract they become thicker and shorter.
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∙ 8y agoA typical skeletal muscle (the muscles in your arms and legs) will shorten when it contracts. You can visualize it like a rope that pulls something in, this is how movement is created.
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∙ 12y agoWhen muscles contract, they become shorter.
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∙ 13y agoCONTRACTION
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∙ 11y agoprophase
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What is it when a muscle becomes shorter and thicker?
contraction
When does a muscle become shorter and thicker?
Muscle becomes shorter and thicker during contraction... so what?!!! (help me!!!)
How do your muscles work?
the nerves in our muscles gives a message and thats how muscles go thicker and shorter
What happens to the biceps when muscle contracts?
When a bicep contracts it pulls on tendons causing the arm to bend at the elbow.
When a muscle contracts how does actin and myosin get shorter?
When the muscle contracts, it gets shorter. When it relaxes, it gets longer.
What happens to the gastrocnemius muscle when the shank is flexed as in walking?
It contracts, getting shorter and thicker.
What becomes thicker when you reach puberty?
A boys muscles and penis become thicker once he has begun puberty.
What happens to the muscle when it contracts?
Since muscles cannot do work by "expanding", they are arranged in pairs, pulling in opposite directions. When one muscle of a pair contracts, the other relaxes. This generates movement in the desired direction.
What is the part of the eye that becomes thicker and thinner allowing us to see at varying distances?
The iris contracts - the opening gets smaller - when viewing things closer.
What is the force that causes part of the to become shorter and thicker?
Compression
Does exercise make muscles thicker and stronger?
yes
What is a hammering tool used to make a rivet thicker and shorter?
UPSET
