Explain the structure and function of the heart ???????????
Answers
Answer:
structure of heart :
the heart is surrounded by a two layered tissue membrane called pericardium.distance between the two layers is filled with a fluid called pericardial fluid. this cute protects the heart from external pressures push shock and reduce friction during the heartbeat and the facilities free heart concentration
Answer: The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood. The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs
The cardiovascular system consists of the heart, blood vessels, and blood. This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).