Yes, humans have spines (backbones)
No, raccoons do not have spines. Porcupines have spines.
Sea urchins do NOT shoot there spines. They can simply let them pop out (sort of like a porcupine). Most people make this mistake... neither a porcupine or sea urchin SHOOT there spines. They do harden and stick out farther but they DO NOT SHOOT THEM!
Elephants do have spines.
they have the spines to protect them from your face
All reptiles have spines.
Yes. All mammals have spines.
they have spines. spines are vertebrates they are not invertebrates.
Yes. While many people believe echidnas only have spines, they are actually covered with a very thick layer of coarse hair. The sharp spines grown throughout the coarse hair.
The pointy things on a cactus are called spines.
Spines of the sea urchin can cause injuries of the skin.
One kind of fruit that has spines is a pineapple.