Always ask how they are feeling?
How are they coping?
Do they feel sad/depressed?
If depressed, maybe ask if they've been given medications?
Ask if there emotions prevent them from completing tasks, or if life in general has become more difficult due to them coping?
Answer:
This is due to the property of contractility.
The rhythmic sequence at which your heart beats is called a sinus rhythm, it is when the atria and ventricles of the heart contract.
