Why is the heart not joined to any bone?
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Answered by
16
Our hearts is a muscle that pumps blood through our body these muscles are not attached to bones and do not have tendons. The muscles attached to our bones to be voluntary voluntary muscles we have to think and decide to move them.
hope it helps ❤️
Answered by
3
The reasons behind that the heart is not joined to any bone are described in below:
- Our heart is a muscle that pumps blood throughout our body. Our stomach's muscles aid in food digestion. Our chest muscles aid with breathing. These muscles have no tendons or bone attachments.
- The skeletal muscles that are related to your bones, such the biceps and quadriceps, are not quite the same as your heart, which is a muscle despite being a muscle.
- The primary reason for this is that the heart is built of cardiac muscle, which is composed of unique cells called cardiomyocytes. Cardiomyocytes are remarkably fatigue-resistant compared to other muscle cells in the body.
- It is true that, like your other muscles, the primary source of energy for cardiomyocytes comes from the mitochondria. The energy output of cardiomyocytes is greatly increased by their up to 10-fold higher density of mitochondria.
- Additionally, the cardiomyocytes have developed a superior blood supply and are more efficient in removing oxygen from the blood than regular muscle cells. The ability of the heart to use glucose, free fatty acids, and lactate as fuel gives it another secret weapon.
Therefore the heart is not joined to any bone.
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