Category: Animals
Don't give a dog chocolate! Chocolate affects a dog's heart and nervous system; a few ounces are enough to kill a small dog. See more
The blue whale has a heart the size of a small car and its blood vessal is so broad, that a person could swim through it. See more
The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon. See more