Explanation:

The cardiac muscle is responsible for the contractility of the heart and, therefore, the pumping action. The cardiac muscle must contract with enough force and enough blood to supply the metabolic demands of the entire body.

Verified answer

[tex]\huge{\pink{\underline{\fcolorbox{pink}{lavenderblush}{\pink{\cal{AnSWer}}}}}}[/tex]

[tex] \\ [/tex]

• The cardiac muscle is responsible for the contractility of the heart and, therefore, the pumping action.

:) sauce nhi dp likha tha.... pfp... shit yaar