The complete structure of a human body mainly comprises a head, neck, chest, trunk, abdomen, arms, and the limbs. Along with these parts, there are numerous different types of cells, tissues and other biological systems that are mainly involved in different types of specific functions essential for everyday living. Human anatomy and physiology is the science, which mainly deals with the complete study of the structure and functions of every organ of the human body. There are countless amazing facts about our body which we are not aware of. Listed below are few of them.
Fascinating and Amazing Facts about the Human Body
- Both the respiratory system and circulatory system are involved in circulating blood and the oxygen gas throughout the body.
- The human brain has pain receptors, hence it cannot feel any pain.
- Blood is 6 times thicker than water and each drop of blood contains about 250 million cells.
- The human ears can hear in the frequency of 1,000 to 50,000 hertz and can distinguish between hundreds of thousands of different sounds.
- Skin is the largest organ in your body, which consists of 1300 nerve cells and 45 miles of nerves.
- The human heart beats 100,000 times per day and 30 million times a year.
- Cornea, the transparent front part of the eye is the only part with no blood supply and it gets oxygen directly from the air.
- The fingernails grow faster than toenails and the nail on the middle finger grows faster than the other fingernails.
- The longest bone in an adult human is the thigh bone and the stapes, which is found in the middle ear is the shortest bone which is smaller than a rice grain.
- The largest blood vessel is the aorta. On an average, there are 100,000 miles of blood vessels in an adult human body.
These were some interesting, fascinating and amazing facts about the human body. For more facts and information about the human body and other living species, students can visit our website at BYJU’s and also learn by watching interactive video lessons on various biology topics by subscribing to the BYJU’S YouTube Channel.