How The Heart Works Step By Step?

What is heart and how it works?

The heart is a muscular organ that pumps blood continuously throughout the body.

It is comprised of four chambers — the right and left atrium and the right and left ventricle.

The chambers of the heart work together by alternately contracting and relaxing to pump blood throughout the heart..

What are the 4 main functions of the heart?

The four main functions of the heart are:Pumping oxygenated blood to the other body parts.Pumping hormones and other vital substances to different parts of the body.Receiving deoxygenated blood and carrying metabolic waste products from the body and pumping it to the lungs for oxygenation.Maintaining blood pressure.

What are the main functions of heart?

It’s the muscle at the centre of your circulation system, pumping blood around your body as your heart beats. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.

What are the 5 main functions of the heart?

Functions of the cardiovascular systemCirculates OXYGEN and removes Carbon Dioxide.Provides cells with NUTRIENTS.Removes the waste products of metabolism to the excretory organs for disposal.Protects the body against disease and infection.Clotting stops bleeding after injury.More items…

How important is the heart?

The heart is important because it pumps blood around your body, delivering oxygen and nutrients to your cells and removing waste products. The heart has four chambers: two upper chambers called the right and left atria (singular: atrium) and two lower chambers called the right and left ventricles.

How does the blood flow through the heart step by step?

Right side of the heartBlood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart.As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.More items…

How do you explain the heart?

The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.

What is the correct order of blood flow?

Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.

What are the parts of the heart?

What Are the Parts of the Heart?The two bottom chambers are the right ventricle and the left ventricle. These pump blood out of the heart. A wall called the interventricular septum is between the two ventricles.The two top chambers are the right atrium and the left atrium. They receive the blood entering the heart.

What is the working of heart?

Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly. Your heart is a muscle, and its job is to pump blood throughout your circulatory system.

How does a healthy heart work?

The left ventricle pumps the oxygen-rich blood into the aorta through the aortic valve and out to the rest of your body. The oxygen-rich blood travels throughout your body. Veins carry the oxygen-poor body back to the right atrium. The right atrium fills with oxygen-poor blood.

What are the 12 parts of the heart?

Anatomy of the heartLeft atrium and auricle. Left atrium. Left auricle.Right atrium and auricle. Right atrium. Right auricle.Interventricular septum and septal papillary muscles. Interventricular septum. … Right ventricle and papillary muscles. Right ventricle. … Left ventricle and papillary muscles. Left ventricle.