Where is the heart located in the human body?

The human heart is in the middle of the thorax, with its apex pointing to the left. The human heart is situated in the middle mediastinum, at the level of thoracic vertebrae T5-T8. A double-membraned sac called the pericardium surrounds the heart and attaches to the mediastinum.

What are the two chambers of the left heart?

The left heart has two chambers: the left atrium, and the left ventricle, separated by the mitral valve. The left atrium receives oxygenated blood back from the lungs via one of the four pulmonary veins. The left atrium has an outpouching called the left atrial appendage.

What makes up the surface of the right heart?

Right heart. Most of the internal surface of the right atrium is smooth, the depression of the fossa ovalis is medial, and the anterior surface has prominent ridges of pectinate muscles, which are also present in the right atrial appendage.

Where are the valves located in the heart?

The heart has four valves, which separate its chambers. One valve lies between each atrium and ventricle, and one valve rests at the exit of each ventricle. The valves between the atria and ventricles are called the atrioventricular valves. Between the right atrium and the right ventricle is the tricuspid valve.

https://www.youtube.com/watch?v=UMTDmP81mG4

Which leads us to the question of the day…. The heart itself is only the size of a fist, and it’s exact location is behind the breastbone (sternum) and slightly to the left of center, as you can see in the diagram above. So if you are looking down at your body, place your hand right in the center of your chest.

Where are the four valves of the heart located?

The heart has four valves – one for each chamber of the heart. The valves keep blood moving through the heart in the right direction. The mitral valve and tricuspid valve are located between the between the atria (upper heart chambers) and the ventricles (lower heart chambers).

How to describe the interior of the heart?

Identify and describe the interior and exterior parts of the human heart Describe the path of blood through the cardiac circuits Describe the size, shape, and location of the heart Compare cardiac muscle to skeletal and smooth muscle Describe the process and purpose of an electrocardiogram

Where does the electrical signal come from in the heart?

The atria contract, pumping blood into your left and right ventricles. After the electrical signal has caused your atria to contract and pump blood into your ventricles, the electrical signal arrives at a group of cells at the bottom of the right atrium called the atrioventricular node, or AV node.