Tigers have a tongue as rough as sandpaper. The giraffe’s tongue is meters long. Everyone has a different imprint of the tongue. The tongue of the blue whale can weigh as much as 3 tons.
The largest clouds can be over 18 km thick. Clouds can travel at speeds over 150 km/h. There are different kinds of clouds on every planet in the solar system.
How to fight depression? What is postnatal depression? Which gender is more likely to have depression? What time of year is the most favorable for depression?
Celiac disease is a genetic, immunological disease for a lifetime. How to diagnose celiac disease? What are the celiac disease?