all of them are pretty vital, i would say the brain is the most vital because you cant get a brain transplant and its damages are irreversible, its also the most sensitive to oxygen deprivation.
most doctors say that its the size of your clenched fist
The word heart is a noun, a singular, common noun; a concrete noun as a word for an organ of the body; an abstract noun as a word for the central, most important part or the center of a person's thoughts and emotions.
The importance of the heart to the human body, is, simply saying: life maintaining organ which pumps and circulate the oxygented blood through out our body. main function is homeostasis, that maintenance of internal environment with the help of certain hormones like adrenalin. it provides both central and peripheral circulation by which it provides nutrition to all the cells of the body.
the 2 chambers of the heart are: 1. atrium 2. ventricle
if you are talking diametar metres the heart will be bigger but it really depends on what heart your talking about for example a mouses heart is smaller than a humans lung but a elephants heart is bigger than a humans lung. ants have very small lungs so if you put a human lung in a mouse it would most probaly die and vice versa as the mouse heart would never be a ble to keep a human alive. i think both the human heart and the human lung are ingenious things that should be eaten only on im a celebrity get me out of here. by chris lane
Heart
your heart the most major organ
heart
It helps protect some of our most vital organs such as our heart and lungs.
The human heart provides a continuous blood circulation through the cardiac cycle and is one of the most vital organs in the human body.
The brain is the most important organ in the body as there is no device/implant that can replicate the tasks it performs. There is no way as of yet to even successfully transplant a brain The heart and lungs are also vital, if they don't work you die in minutes. Many other organs are also vital, for instance the liver and kidneys. We are complex organisms and all our body parts work together to keep us functioning.
The brain is the organ in the human body that uses the most energy.
The vital cavity refers to the main body cavity where most vital organs are housed, such as the heart, lungs, and digestive organs. It is also known as the thoracic and abdominal cavities. These cavities protect and support organ function within the body.
The liver is the most heaviest organ in the human body; It is also the largest internal organ.
The most vital is the central nervous system and the axial skeleton. After that the heart in lungs would also be important. This can be deduced from the fact that they are the most protected parts of the body, surrounded by bone and bony structures.
The largest organ in the human body is the skin.
The Heart