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I will assume you mean the organ that makes the left lung slightly smaller than the right and causes the apparent dent in the medial side. This organ is the heart. The reason the heart only causes the space in the left lung is that the left ventricle is far larger than the right and protrudes into the space where the lung would otherwise grow. This is the reason that people mistakenly think the heart is in the left of the chest. In reality it sits directly behind the sternum (very center of the thorax) and only the left ventricle sticks over to the left.
What else can I help you with?
What organ is located under the left breast?
Lung and spleen
What organ is under right lung?
Liver and Gallbladder
What major organ is in the Left Upper Quadrant?
Part of the left lung and most of the heart.
What is the organ next to the heart?
Kidney is in the front lung is behind it. Also your gallbladder and a couple of other are there.... A better description of the place would help. Like in the rib cage or under in?
Which organ makes a concave impression on the medial side of the left lung?
heart
What does bulky hilum in your left lung mean?
The hilum is a triangular depression where blood vessels or nerves enter an organ. A bulky hilum in the left lung could indicate enlarged nodes or lyphoma.
What type of organism goes through mitosis the most?
The type of organ that undergoes mitosis the most is the lung. Not "lungs." Just lung. The right one in fact. The left lung acts a screen for the right lung, catching any stray particles. In fact, did you know, that your left lung is 1/7 the size of your right lung? Well, it's true.
What organ is a single organ?
this is called an "individual".
Where is the infrahilar region of the lung?
The right suprahilar region of the lung is located in the upper middle portion of this organ. The left lung also has a suprahilar region, but it is slightly bigger than the right.
Are Both the right and left lung are each an individual organ?
Yes, both the right and left lungs are individual organs. They are separated by the heart and contain lobes that help with breathing and oxygen exchange in the body. Each lung has its own bronchial tree for air passage.
Where is the heart positioned?
The human heart is positioned under the left lung, in the center, slightly to the left in the chest cavity.
Where is the human positioned?
The human heart is positioned under the left lung, in the center, slightly to the left in the chest cavity.
