Question

With a labelled diagram explain the structure if human heart?

Or Write the types of chemical reactions and give two examples for each reaction?​

Answer 1

Answer:

1 guidance

2 silence

3 beautiful

Explanation:

1 guidance

2 silence

3 beautiful

1 guidance

2 silence

3 beautiful

Answer 2

Answer:

Well-Labelled Diagram of Heart

Well-Labelled Diagram of HeartThe heart wall is made up of three layers: The outer layer of the heart wall is called epicardium. The middle layer of the heart wall is called myocardium. The inner layer of the heart wall is called endocardium.