It is called involuntary muscle or smooth muscle.
Involuntary muscle cells are called involuntary because they contract without conscious control. This means that they work automatically in response to stimuli from the nervous system or hormones, without us having to think about or actively control their movement. Examples include smooth muscle in the walls of internal organs.
Spasm
A spasm - or a twitch.
they are called involuntary movements.......controlled by involuntary muscles.....eg: heart beats...
a muscle can be both involuntary or voluntary.the muscles which are under our control are said to known as voluntary muscle.e.g. biceps,triceps.the muscle which are not in our control are called involuntary muscles.e.g.muscle in our internal organs
Diapragm
Involuntary Reaction.
It is called the cardiac muscle
It is called a Tracheospasm
Involuntary muscle control
It is called the cardiac muscle