The human body comprises a billion to trillion cells; several other tissues, organs, and organ systems carry out different biological functions required for growth and development.
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Many vital organs play a crucial role in keeping us alive, active, and healthy. These essential organs include:
The skeletal system
The nervous system
The muscular system
The circulatory system
The respiratory system
The reproductive system
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Humans are the most fascinating and complicated living organisms on Earth. Compared to other living species, humans are the only creatures with chins.
There are many other interesting facts about the human body.
Let us have a look at some amazing facts about the human body.
Facts about the Human Body
Skin is the most significant external organ, comprising 10 to 15 percent of a person’s total weight.
The set of events or the sequence of electrical and mechanical events in every heartbeat is called the cardiac cycle. This cycle consists of two periods – diastole and systole.
The human brain is equivalent to the computer. It has a memory capacity equal to or more than the four TB data storage on the hard drive.
We cannot breathe and swallow at the same time. But the newborn babies can breathe and swallow both simultaneously for up to their 7 to 8 months.
The heart beats more than 3 billion times in the average human lifespan. For most people, a heart rate is consistently above or below 60 to 100.
The stomach is the part of the alimentary canal, which is primarily involved in secreting and controlling the digestion process.
Blinking our eyes protects the eye from dryness, nourishes and cleanse the eye’s surface. On average, we adults blink ten times in a minute, while the infants blink their eyes only twice a minute.
The strongest and the most flexible muscle in the human body is the tongue and the jawbone. It is the most complex bone in the human body.
The human muscular system contains over 600 skeletal muscles, which make up about 40 per cent of our total body weight. The only muscle that never tires is the heart.
Our kidneys eliminate wastes and extra fluid from your blood. It also helps control our blood pressure, keep our bones healthy and maintain our body’s chemical balance. Therefore we have to keep our kidneys healthy.
These were some amazing facts about the human body.
Stay tuned with BYJU’S for more about human anatomy and physiology. Students can also learn more by watching different subject-related YouTube videos by subscribing to BYJU’S YouTube Channel.
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