I am sorry I just wanted points for my answer and I am sorry again I needed points
<span>Contractility
- the ability of a muscle to be shorten.
Extensible - the ability to
be lengthen.
Elasticity - the ability to return to be their original shape.
Excitability - can be triggered by electrical stimulation</span>
<span />
Answer:
I think Experimentation :)
Explanation:
apologies if its incorrect.