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Because muscles have such a hard task. The only muscle in your body that does not get tired is your cardiac muscle also known as your HEART

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15y ago

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What type of muscle does not get tired?

The heart


Why does lactic acid cause muscle fatigue?

Lactic acid causes muscle fatigue because it accumulates in muscles during intense exercise, leading to a decrease in pH levels. This decrease in pH interferes with muscle contractions and energy production, ultimately causing the muscles to feel tired and fatigued.


What is the relationship of lactic acid and the muscular system?

When a muscle is exercised, lactic acid is formed in the muscle, and that is what makes the muscle feel tired. With a short rest, the lactic acid is carried away by the blood stream and the tired feeling goes away.


What is the muscle that causes parts of the body to bend?

A flexor is a muscle that causes a joint to bend. In contrast, an extension is a muscle that straightens a joint.


What type of muscle tissue tends to contract and get tired easy?

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What are signs of low?

Heart problems muscle weakness tired confusrd


Is it true that your cardica muscle tires?

is it true your cardiac muscle tires


Which muscle causes the skin to twitch?

cutaneous muscle


What is the muscle that causes Involuntary muscle control?

Your brain.


What causes a snake to hibernate?

cause it gets tired


How are skeletal muscle and cardiac muscle different?

Your cardiac muscle never gets tired, and it is the only muscle in it's category. Your skeletal muscle gets tired many times, and it has many other skeletal muscles in it's category. Your cardiac muscle is also a lot stronger than you skeletal muscle.Sorry, also your heart is an involuntary muscle. We have no control over it. Whereas skeletal muscles are voluntary, we decide to move them or not.


What causes tissue muscle to die?

nothing old the muscle tissue is bad for a muscle