Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...
A dog owner has shared the horrifying moment her small pup leapt from the sofa with a toy bone in her mouth—only for it to jab "straight up" into the roof of her mouth as she landed. The clip shows ...