He was studying with his nerves on edge the day before the exam.

This material has high elasticity.

We have decided to start sales on credit.

I use a heart rate monitor during my daily exercise.

If cardiac output decreases, blood flow throughout the body worsens.

My heart rate increases after exercise.

We must respect the freedom of religion.

Personal freedom is one of our basic rights.

The sympathetic ganglion is a part of our autonomic nervous system and controls various functions of the body.

When the sympathetic nerves are activated, the heart rate increases.