机灵小勇士:夏乐涵(成都)砸来的问题:蟾蜍是我最害怕的动物,灰不溜秋的,还在背上长满了疙瘩。它们为什么要长那些难看的疙瘩?长疙瘩是蟾蜍的一种自我保护措施。蟾蜍身上的疙瘩能分泌黏液,保持皮肤的湿润,同时还能分泌乳白色的有毒浆液。这种浆液是它的独门防身武器,连黄鼠狼也怕它三分。不过,这种浆液却可以入药,人们从中提炼出的“蟾酥”具有多种药效,可见这些疙瘩也算得上是宝贝疙瘩! Clever little warrior: Xia Lehan (Chengdu) smashed the problem: Toad is the animal I am most afraid of, gray not slippery autumn, still covered with knots on the back. Why do they grow those ugly knots? The knot is a self-protection toad. Bumps on toads can secrete mucus, keep the skin moist, but also the secretion of milky white toxic slurry. This slurry is its unique self-defense weapons, and even weasels are afraid of it one-third. However, this slurry can be used as medicine, people extracted from the “toad ” has a variety of effects, we can see these bumps can be considered a baby pimple!