How does the structure of cardiac muscle help it perform its function?
It's part of your arm and it's good to exercise
the options on e2020 are: A. Its spindle-shaped cells allow it to do smooth movements.B. Its striations allow for big movements.C. Its discs allow it to coordinate movement with other cells.D. Its multinucleated cells allow it to trigger involuntary actions. The answer is A. Its spindle-shaped cells allow it to do smooth movements.