Covering of heart is called

Outer covering of kidney is called as

The covering of egg is called ........ membrane.

The contraction of heart is called ........... while the relaxation of heart is called …………… .

Fill in the blanks: The contraction of heart is called......while the relaxation of heart is called...... .

Relaxation of chembers of heart is called _____.

The rhythmic expansion and contraction of the heart is called ______.

Relaxation of heart is called systole/diastole.