This video contains Hindi meaning of Pitch. .. #LOGICAL #STUDENT #HINDI #MEANING #Pitch
The hedgehog's back contains two large muscles that control the position of the quills. The average hedgehog has about 5,000 to 6,500 quills that are strong on the outer surface but filled with air pockets on the inside. When the creature is rolled into a ball, the quills on the back protect the tucked head, feet, and belly, which are not quilled.
Deinogalerix partakes of the same Greek root as dinosaur, and for good reason--at two feet long and 10 pounds, this Miocene mammal was the world's biggest hedgehog (modern hedgehogs weigh a couple of pounds, max).