Muscular System

Match it! Select the correct answer from the pull down...Good luck!

A sarcomere is the distance between two ________.

The thicker filaments are the ________ filaments.

Rigor mortis occurs because ________.

The situation in which contractions become stronger due to stimulation before complete relaxation occurs.

Only ____________ muscle cells are always multinucleated

Immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the ________ period during which the events of excitation-contraction coupling occur.

What is the role of calcium ions in muscle contraction?

Serves as the actual trigger for muscle contraction by removing the inhibition of the troponin molecules.