☻↓Isn't It Amazing↓☻

(1)-Each time a pole-vaulter lands, he absorbs up to 20,000 pounds of pressure per square inch on thejoints of his tubular thighbones! (2)-Piranhas are fish know for their ferocity. Did you know that the south American natives use their sharp teeth as arrowheads? (3)- The world's largest flower is the Rafflesia. A single bloom can measure 3 feet across. They have no stems or leaves and are parasites on other plants. (4)- If all the blood vessels in the body were straightened out and-to-end, they would be 100,000 mile long! (5)- The Chinese guarded the secret of making silk for 3,000 years. Anyone found revealing the truth would be put to death as a traitor!