Question

What are internal structure of the heart

Answer 1

Answer:

internal structure of heart consist of many parts like valves, walls

Answer 2

Answer:

The human heart is a muscular organ, which has four chambers. The two upper chambers called the right atrium and the left atrium, and the two lower chambers called the right ventricle and left ventricle. The right atrium and the right ventricle together may be called the right heart. The left atrium with the left ventricle together can be called as the left heart.  All the chambers of the heart are separated by muscular walls called septum

Explanation: