Search results
The human heart is one of the most important organs responsible for sustaining life. It is a muscular organ with four chambers. The size of the heart is the size of about a clenched fist. The human heart functions throughout a person’s lifespan and is one of the most robust and hardest working muscles in the human body.
Aug 13, 2024 · It can lead to a heart attack, chest pain or a stroke. Symptoms of coronary artery disease can include: Chest pain, chest tightness, chest pressure and chest discomfort, called angina. Shortness of breath. Pain in the neck, jaw, throat, upper belly or back. Pain, numbness, weakness or coldness in the legs or arms if the blood vessels in those ...
Jan 25, 2018 · The human heart consists of four chambers – two ventricles and two auricles. The human circulatory system possesses a body-wide network of blood vessels. These comprise arteries, veins, and capillaries. The primary function of blood vessels is to transport oxygenated blood and nutrients to all parts of the body.
The human heart is the organ responsible for pumping blood through the circulatory system's blood vessels, delivering nutrients and oxygen to the body's tissues while expelling waste products like carbon dioxide. In the thoracic cavity, the heart is located next to the lungs. The mediastinum is the term for this region.
In each heart beat, a heart pumps 80 m l of blood at an average pressure of 100 m m of H g. Assuming 60 heart beats per second, the power output of the heart is (ρ H g = 13.6 × 10 3 k g m − 3) (g = 9.8 m s − 2).
Diagram of Heart. The human heart is the most crucial organ of the human body. It pumps blood from the heart to different parts of the body and back to the heart. The most common heart attack symptoms or warning signs are chest pain, breathlessness, nausea, sweating etc. The diagram of heart is beneficial for Class 10 and 12 and is frequently ...
Oct 9, 2023 · Others have severe symptoms. Some people have no symptoms. Common heart attack symptoms include: Chest pain that may feel like pressure, tightness, pain, squeezing or aching. Pain or discomfort that spreads to the shoulder, arm, back, neck, jaw, teeth or sometimes the upper belly. Cold sweat.
May 4, 2022 · Heart failure. Heart failure may occur if the left lower heart chamber (left ventricle) becomes enlarged. In heart failure, the heart can't pump the proper amount of blood throughout the body. Blood clots. Blood clots may form in the lining of the heart. A blood clot that forms on the right side of the heart can travel to the lungs (pulmonary ...
Heart: The heart is the vital organ of the human body and is responsible for transportation in our body. The heart comprises four chambers: two stria or auricles (upper chambers), two ventricles (lower chambers) The wall of the heart is made up of three layers: Epicardium- This is a protective layer made of connective tissues.
The heart is a fist-sized muscular organ made up of cardiac muscles. Heart, blood and a network of arteries, veins, and other blood vessels make the cardiovascular system. The heart is the key structure of a circulatory system because it is the motor or pumping organ which helps in circulation of blood throughout the body as per requirement.
