This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Muscle (cardiac muscles) and vessels (viens and arteries) that make up the human hearts.
7 4 7
Muscles and vesselo male up the human heart
2 5 2