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Answer: Most animals have a muscular heart that pumps blood through the circulatory system’s blood vessels. The pumped blood transports oxygen and nutrients around the body while also transporting metabolic waste like atmospheric co2 to the lung. The heart in humans is about the size of a clenched fist and is found in the middle of the chest, between the lungs.
The Heart’s Function
The heart is responsible for blood circulation and the overall health of the body’s mechanisms. It is the human body’s most important organ.
The heart is responsible for the following vital functions:
- The heart’s main job is to circulate blood through the body
- It transports oxygenation and nutrients to cells while also removing carbon dioxide and trash from the bloodstream
- It also aids in the maintenance of normal blood pressure levels throughout the body
The following are the methods in which the heart works:
The arteries transport oxygenated blood out of the heart to the rest of the body. The veins, on the other hand, transport deoxygenated blood from all regions of the body to the heart for oxygen.
Blood is pumped to the ventricle from the right atrium, which receives it from the veins.
The right ventricle is responsible for transporting blood from the right ventricle to the lungs.
The left atrium receives and pumps oxygenated blood to the left ventricle.
The oxygenated blood is pumped throughout the body by the left ventricle.
Cardiac illnesses, such as angina pectoris are caused by improper heart function.
