More interesting facts about the human body. Messages from the human brain travel along nerves at up to 200 miles an hour 322 kmh.
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What are 4 facts about your body system. Your blood makes up about eight percent of your body weight. These are the brain heart kidneys liver and lungs. Every square inch of the human body has about 19 million skin cells. 90 amazing human body facts. Theskeletal system has four organs. The largest bone in the human body is the femur.
The average human head has about 100000 hairs. Humans are the only species known to blush. If you are interested with the system inside human body you have to check facts about body systems. The adult body is made up of. What are facts about about the skeletal system. It can support 30 times the weight of a persons body.
Get the details about body systems below. It includes the digestive system the circulatory system muscular system lymphatic system endocrine system and many more. In the human body you have 206 bones in your body. There are many systems of human beings. Your left lung is about 10 percent smaller than your right one. 100 trillion cells 206 bones 600 muscles and 22 internal organs.
Humans have five vital organs that are essential for survival. Every hour about 1 billion cells in the human body must be replaced. Human teeth are just as strong as shark teeth. Scientists estimate that the nose can recognise a trillion different scents. The human brain is the bodys control center receiving and sending signals to. Ounce for ounce thats stronger than.
The skeletal system helps you support and protect your body. 22 in an adult human 25 of their.
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