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Muscular System

The muscular system allows humans to move. Muscles also provide strength, balance and heat.

11,239 Questions

Why does your neck pop when you turn your head left?

Mine does not, but I suspect that, if yours does, it is due to the sudden release of gas that can build up in your spinal column and is the same phenomenon as cracking the knuckles of your hands.

How do muscles relax?

Yes, Muscles relax whenever you relax without moving, your muscles make you move, and bones keep your shape!

When the bicep contacts what muscle relaxes?

When the bicep contracts, the tricep relaxes. These pair of muscles are known as antagonists which means as one contracts, the other relaxes and vice versa.

What it s the most powerful hip extensor of the body?

The name of the muscle is gluteus maximus. This muscle gives shape to your hip.

How all the body system interlate with each other plzsssssssssssss help me for this question?

How all the body system interlate with each other?" for example skin and nervours or muscle and nervouse

Why do some people have smooth hands?

Some people have smooth hands due to factors like genetics, skin type, and lifestyle choices. Regular moisturizing and proper skincare can help maintain softness and hydration. Additionally, individuals who minimize exposure to harsh chemicals or frequent handwashing may also have smoother skin. Age and overall health can also play a role in the skin's appearance and texture.

Do scientists have any idea what causes ALS?

"In about 10% of cases, ALS is caused by a genetic defect. In other cases, the cause is unknown.

In ALS, nerve cells (neurons) waste away or die, and can no longer send messages to muscles. This eventually leads to muscle weakening, twitching, and an inability to move the arms, legs, and body. The condition slowly gets worse. When the muscles in the chest area stop working, it becomes hard or impossible to breathe on one's own.Except for having a family member who has a hereditary form of the disease, there are no known risk factors."

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Scientists do not really know what causes ALS, although researchers do have a few ideas:

  • In 90-95 percent of people, there is no known cause and scientists call the disease "sporadic ALS."
  • In 5-10 percent of people, the disease is passed down through the families; scientists call it "familial ALS." A child who is born to somebody with familial ALS has a 50-percent chance of getting the disease.

What does it mean if a person spent several days at a very high altitude then noticed that his breathing was faster than normal and began to feel nervous excitable and hyperactive muscles?

It could be the beginning signs of High Altitude Pulmonary Adema (HAPE). The 'hyperactive muscles' is called muscle twitching which are intermittent minor muscle spasms. These are usually caused by an imbalance of oxygen and carbon dioxide in the blood.

Is menustration healthy?

Mensturation is natural, healthy, and inevitable for nearly all women.