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Very low strength electrical currents applied through the skin stimulate muscles and make them contract, helping paralyzed or weakened muscles respond again.
Here in the 21st century we use electricity to power many items such as: ipods, computers, kitchen appliances lighting. Electricity can also kill you by causing all your muscles to contract and eventually killing you. So in conclusion in the 21st century it would be difficult to live without electricity.
Oxytocin.
Laryngospasm
Muscles need energy to contract because the body needs energy to produce hormones which stimulate production of red blood cells to carry oxygen to the muscles.
When they contract
Actin and myosin cause muscles to contract.
When muscles move, they produce body heat.
Vomiting tends to make the body tense up. The hand muscles might contract as a result of this tensing. Also, vomiting can cause dehydration which can make muscles contract.
When you Bend your Leg your hamstring contracts and your quadriceps relax
The truth is that muscles give your body movement.
they both contract and relax to cause movement and both are uninucleated.
Current causes muscles to contract and that is dangerous especially if the heart muscle is affected.
Because the muscles that cause food to be pushed down your esophagus are partially connected to your trachea. When the esophageal muscles contract, they also cause the tracheal muscles to contract. Causing bronchospasm. I have asthma and this is a p.i.a. It's why I eat only twice a day.
Efferent motor neurons stimulate muscle contractions.
Muscles contract and relax to move a joint. ... Muscles contract at a constant rate. Muscles contract and relax to move a joint.
Alpha motor neurons