Spider

This animal breathes with a book lung, trachea or both. Blood circulation is open. The nervous system of ventral ganglions united with dorsal ganglion then forms a nerve mass and is penetrated by the esophagus by expelling many branches. Spiders are animals that used to live freely and aloof. The spider makes the house by using a kind of yarn that is produced by itself. The yarn is so sticky that if any animal is netted it may not be able to escape. Usually the netted animals are used as prey of small insects such as dragonflies, mosquitoes, flies etc. The ophisthosomane part does not have a segment that produces a net. Excretion using the body malphigi. Her genitals are separate, carnivorous animals that are other small insect hunters, some of which can kill humans. Sometimes this animal is also dangerous when it comes to its bite, the way a profit spends its feed by making use of its net so the prey network easily sticks to its super sticky web, not just a small animal eaten but larger animals than it can be a food for it