10 unexpected facts about the human body. TEST
The human body is an incredibly complex system with dozens of organs that work continuously and transmit signals to each other.
Our body consists of billions of cells, each of which has its own function and special purpose.
You knew that if you pull out all the blood vessels from the human body and connect them in one line, will its length reach from 9 thousand to 19 thousand kilometers?
And that skin is The largest Human body But is about 16% of its total mass?
”UP. Life« Prepared a test to help determine how well you know your body.
Some facts can surprise you!
How many bones in the foot?
26
The foot is a complex part of the body that consists of of 26 bones, 33 joints, 107 ligaments and 19 muscles.
51
The foot is a complex part of the body that consists of of 26 bones, 33 joints, 107 ligaments and 19 muscles.
7
The foot is a complex part of the body that consists of of 26 bones, 33 joints, 107 ligaments and 19 muscles.
96
The foot is a complex part of the body that consists of of 26 bones, 33 joints, 107 ligaments and 19 muscles.
Which statement is not true?
What is the length of the small intestine?
1 meter
The length of the small intestine can to vary from about 3 meters to more than 5 meters. Since it is so long, you can ask yourself the question: why is the small intestine called « thin »? This name corresponds to its diameter, which is approximately 2.5 centimeters.
10-15 meters
The length of the small intestine can to vary from about 3 meters to more than 5 meters. Since it is so long, you can ask yourself the question: why is the small intestine called « thin »? This name corresponds to its diameter, which is approximately 2.5 centimeters.
3-5 meters
The length of the small intestine can to vary from about 3 meters to more than 5 meters. Since it is so long, you can ask yourself the question: why is the small intestine called « thin »? This name corresponds to its diameter, which is approximately 2.5 centimeters.
60-80 centimeters
The length of the small intestine can to vary from about 3 meters to more than 5 meters. Since it is so long, you can ask yourself the question: why is the small intestine called « thin »? This name corresponds to its diameter, which is approximately 2.5 centimeters.
How many blows do the heart per day?
How many different smells can the nose recognize?
200 000
According to the new ones research American scientists, people can distinguish more than 1 trillion odors. The results show that our sense of smell is much more sensitive than it was thought before.
1000
According to the new ones research American scientists, people can distinguish more than 1 trillion odors. The results show that our sense of smell is much more sensitive than it was thought before.
1 trillion
According to the new ones research American scientists, people can distinguish more than 1 trillion odors. The results show that our sense of smell is much more sensitive than it was thought before.
5000
According to the new ones research American scientists, people can distinguish more than 1 trillion odors. The results show that our sense of smell is much more sensitive than it was thought before.
Where is the smallest bone in the human body?
In the little finger
Stremic Located In the middle ear and is the smallest bone in the human body. Damage to this bone can cause partial or complete hearing loss.
Before being perceived by the brain, the sound waves must pass through the auditory canal, the eardrum and then get into the middle ear.
There, sound waves make three bones known as auditory bones called the hammer, anvil and stirrup due to their structure.
In the nose
Stremic Located In the middle ear and is the smallest bone in the human body. Damage to this bone can cause partial or complete hearing loss.
Before being perceived by the brain, the sound waves must pass through the auditory canal, the eardrum and then get into the middle ear.
There, sound waves make three bones known as auditory bones called the hammer, anvil and stirrup due to their structure.
In the wrist
Stremic Located In the middle ear and is the smallest bone in the human body. Damage to this bone can cause partial or complete hearing loss.
Before being perceived by the brain, the sound waves must pass through the auditory canal, the eardrum and then get into the middle ear.
There, sound waves make three bones known as auditory bones called the hammer, anvil and stirrup due to their structure.
In the ear
Stremic Located In the middle ear and is the smallest bone in the human body. Damage to this bone can cause partial or complete hearing loss.
Before being perceived by the brain, the sound waves must pass through the auditory canal, the eardrum and then get into the middle ear.
There, sound waves make three bones known as auditory bones called the hammer, anvil and stirrup due to their structure.
Which part of the body does not have blood vessels?
Lips
It is a cornea – a thin transparent fabric that covers the front of the eye. It is the transparency of the cornea that allows the light to penetrate the retina, and from there – to the brain to interpret what we see. The absence of blood vessels in the cornea, according to researcherscaused by the presence of a large amount of special protein VEGFR-3 in its upper layer.
Cornea
It is a cornea – a thin transparent fabric that covers the front of the eye. It is the transparency of the cornea that allows the light to penetrate the retina, and from there – to the brain to interpret what we see. The absence of blood vessels in the cornea, according to researcherscaused by the presence of a large amount of special protein VEGFR-3 in its upper layer.
Liver
It is a cornea – a thin transparent fabric that covers the front of the eye. It is the transparency of the cornea that allows the light to penetrate the retina, and from there – to the brain to interpret what we see. The absence of blood vessels in the cornea, according to researcherscaused by the presence of a large amount of special protein VEGFR-3 in its upper layer.
Skin
It is a cornea – a thin transparent fabric that covers the front of the eye. It is the transparency of the cornea that allows the light to penetrate the retina, and from there – to the brain to interpret what we see. The absence of blood vessels in the cornea, according to researcherscaused by the presence of a large amount of special protein VEGFR-3 in its upper layer.
Which area of the body is most sensitive to pain?
At what age is the brain completely formed?
Which part of the body is the strongest?
/s3/static.nrc.nl/images/gn4/stripped/data88311450-0c91f7.jpg|https://images.nrc.nl/oP12B01M0XEMTYygdcLbEOKph2c=/1920x/filters:no_upscale()/s3/static.nrc.nl/images/gn4/stripped/data88311450-0c91f7.jpg|https://images.nrc.nl/xSWPWKQE6cOGWR4br25cCiZjog8=/5760x/filters:no_upscale()/s3/static.nrc.nl/images/gn4/stripped/data88311450-0c91f7.jpg "Opinion | Four pieces about Wilders, the reader complained – but then the cabinet really fell")
