Every year, the human body naturally sheds approximately 4 kilograms of skin. These discarded skin cells are so minuscule that they often become imperceptible dust in our surroundings.
The human body experiences a fluctuation in height throughout the day, with a variation of approximately 1 centimeter. When you wake up in the morning, after a night of lying down, the spine is relatively relaxed and decompressed.
The human brain shrinks during the pregnancy to support the hormonal changes.
The cartilage and density of the human ears keep growing gradually during whole life.
A child's blood vessels measure about 96,000 km, while an adult's reach 160,000 km—nearly four times Earth's equator's length.