Random Human Facts

    96 facts tagged with Human Facts

    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139
    The largest cell in the human body is the female egg and the smallest is the male sperm.
    682
    Sperm Made Every Heartbeat
    Sperm Made Every Heartbeat
    The human testicles can produce 1,500 sperm during every heartbeat.
    21
    Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
    35
    The human brain uses approximately as much energy as a 10 watt light bulb.
    120
    The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
    13
    The human brain doesn't stop developing until about 25 years old.
    102
    Atacama Skeleton
    Atacama Skeleton
    In 2003, the skeletal remains of a human that measured 6 inches in length were found in a Chilean ghost town. A definite explanation for its size, mutations, and origin has yet to be found.
    54