it is a problem in the nervous system
Shivering causes you too involuntary contract and relax your muscles to increase heat production.
muscles contract and relax by bring about movements.
They contract and relax
Muscles contract and relax to move a joint. ... Muscles contract at a constant rate. Muscles contract and relax to move a joint.
auto-rhythmic cardiac muscle
A muscle connects bones in the body. It can also: relax, contract, and provide the force needed to move body parts. There is also voluntary and involuntary muscles.
Yes, all muscles will contract and relax, Except the cardiac muscle and involuntary muscles which will be constantly working. er. Heart, intestines. But Voluntary muscles will only work together antagonistically.
Cardiac muscles are found only in the walls of the heart. They are specialized muscles that contract and relax to pump blood throughout the body, and they are involuntary, meaning we cannot control their contraction.
When you Bend your Leg your hamstring contracts and your quadriceps relax
Endorphins.
Muscles contain certain proteins called contractile proteins which enable it to contract and relax to bring about movements.
Muscles contract in response to signals from motor neurons that release the neurotransmitter acetylcholine. This triggers a series of events that lead to the sliding of actin and myosin filaments within muscle fibers, causing them to contract. Relaxation occurs when these filaments slide back to their original position after the stimulation stops.