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When the muscle contracts, it gets shorter. When it relaxes, it gets longer.

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12y ago
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9y ago

Any thing which contracts should get shorter and thicker. So your muscle does.

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11y ago

it get shorter

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13y ago

i dont know, ask your mama :)

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11y ago

It's muscle fibers decrease.

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Q: When a muscle contracts how does actin and myosin get shorter?
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Related questions

Which proteins found myofilaments contains the cross bridge?

The two muscle filaments are Myosin and Actin. Myosin is the thicker of the two. When a muscle contracts, a hook like particle extends off the myosin and grabs the actin pulling it in causing the contraction/ tension of the muscle


What are the two contractile proteins of muscle?

The two types of protein that are in your muscle cells are actin and myosin. What they do is they slide past each other and that makes a muscle cell work.


What are the proteins are involved in muscle contraction?

Actin and myosin


What are the names of protein filaments in a muscle fiber?

Actin Filaments


How do proteins actin and myosin interact to make a muscle contract?

Myosin and Actin


What is actin or myosin-containing structure?

actin and myosin are myofillaments that make up myofibrils (part of a muscle fibre) (so therefore : muscle is an actin or myosin containing structure


What 2 proteins make up the mass of a muscle cell?

Actin and myosin interact in muscle cells.


What other protein is involved in skeletal muscle contraction?

Myosin and actin


What are the two types of myofilaments?

The two filaments involved are myosin and actin. Actin: is the framework and slides over the myosin filament when the muscle is shortened. myosin: is a thick filament Also a sacromere: is made up of the actin and myosin. It is the functional unit of a muscle fibre and extends from z line to z line. A muscle contraction: is many sacromeres shortening ( actin sliding over myosin)


What is one of the functional units of a myofibril?

sarcomere


What 2 molecules are part of actin?

Actin and myosin are the molecules used for muscle contraction.


What are the contractile protein of muscle?

Actin and Myosin