Muscle stiffness is a condition in which muscles feel tight and contracted rather than the usual supple state of muscles at rest.Itâs also called stiff muscles, rigidity, and in severe cases, spasticity. Muscle stiffness is a feeling of tension and contraction in the muscles.uscle stiffness is a condition in which muscles feel tight and contracted rather than the usual supple state of muscles at rest.
Making the world better, one answer at a time. Using the definition of organ as a group of cells that perform a specific function, the average human body has 78 organs. There are approximately 78 organs in the body. Using the definition of organ as a group of cells that perform a specific function, the average human body has 78 organs.
An organ is defined as âa group of tissues that perform a specific function or group of functionsâ. Since an artificial heart is not made up of tissues, itâs not an organ. Maybe we need to change the definition of âorganâ, but for right now, this is how it stands. Related Questions.