Two functions of cardiac muscle​

Explanation:

Two functions of cardiac muscle​ are :

1. Cardiac muscle tissue works to keep your heart pumping through involuntary movements.

2. These control the contractions of your heart.

Cardiac muscles are found only in the heart. They regulate the contraction and relaxation of the heart, which helps in pumping blood through the circulatory system. The movements of the cardiac muscles are involuntary. They are important in sustaining life.

b is the correct answer

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.