The job is that it protects your heart and lungs and it never tires from doing its job. It is also a involutary muscle which is a muscle that is not under your conscous control. The job is that it protects your heart and lungs and it never tires from doing its job. It is also a involutary muscle which is a muscle that is not under your conscous control. The job is that it protects your heart and lungs and it never tires from doing its job. It is also a involutary muscle which is a muscle that is not under your conscous control.
involuntary muscles
cutaneous trunci, the muscle that twitches the skin.
The job is that it protects your heart and lungs and it never tires from doing its job. It is also a involutary muscle which is a muscle that is not under your conscous control. The job is that it protects your heart and lungs and it never tires from doing its job. It is also a involutary muscle which is a muscle that is not under your conscous control. The job is that it protects your heart and lungs and it never tires from doing its job. It is also a involutary muscle which is a muscle that is not under your conscous control.
It's not their job, it's the digestive system's job to digest. The muscle cells just get the nutrients.
The heart is made up of muscle tissue (cardiac muscle). The muscle tissue contracts to pump blood.
heart brain the digestion track the lungs
Vertebrate animals have backbones, and so do not need as much muscle as invertebrate animals to keep there shape
Meat is the muscle grown on animals.
Endurance is your muscle's ability to do their job over a period of time without tiring.
Because your heart is a muscle, a cardiac muscle. a muscles job is to contract an that is exactly what the heart does, it contracts to pump blood.
Involuntary muscles contract subconsciously.