10 Interesting Fact About Human physiology

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• Every adult human has about 206 bones in his body.
• Human heart can pump blood up to 2,000 gallons per day.
• Human skin consists of three layers: epidermis, dermis, and hypodermis.
• Human eyes have around 107 million photoreceptor cells.
• The human nervous system can send signals between 2 to 200 miles per hour.
• Human hair can grow up to 15 cm per year.
• The human brain processes around 70,000 pixels from visual information every second.
• Humans have about 5 million cells in their nose.
• The amount of water in the human body ranges from 50 to 75 percent.
• The number of cells in the human body can reach around 37 trillion.