The older we get, the less tears we produce.

The older we get, the less tears we produce

More from the Human Body Facts niche...

Human Body Facts

The Human eyes never grow, but nose and ears never stop growing

Human Body Facts

Human bones are more than twice the strength of concrete

Human Body Facts

The largest cell in the human body is the female egg, and the smallest

Human Body Facts

Your right lung is larger than your left – this is because the left lung

Human Body Facts

Every person, including identical twins, has a unique eye and tongue

Human Body Facts

Your eyes stay the same size throughout your life as they were when you