why is the human heart such a strong muscular organ???
Answers
Answer:
Answer: color= "blue">[/tex]Hey mate answer of your question is given below by me
Explanation:...
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, as well as assisting in the removal of metabolic wastes.
Vein: Superior vena cava, inferior vena cava, right and left pulmonary veins, great ca...
Artery: Aorta, pulmonary trunk and right and left pulmonary arteries, right coronary ar...
System: Circulatory.
I hope it can help you...
Answer: Human heart is made up of myocardial muscles which are special kind of cardiac muscles found only in heart.
human heart is made up of three muscular walls/layers:-
- epicardium (external layer)
- myocardium (middle layer)
- endocardium (inner layer)
Out of three myocardium is the thickest one.
Coordinated series of actions ( contraction and relaxation ) occurs which are controlled by special apparatus present inside the heart are SA node, AV node, bundle of his, purkinje fibres.