At the head of the planarian there is a brain under the eyespots. From the brain, there are two nerve cords, which connect at the tail. There are many transverse nerves connected to the nerve cords, which make it look like a ladder. With a ladder-like nerve system it is able to respond in a coordinated manner.
Adventure mode. From Diablo Wiki. Adventure Mode or AM is the primary end game type of game mode introduced into Diablo 3 in the Reaper of Souls expansion pack. Campaign Mode or Story Mode is the other primary game mode, where players must progress through the acts in order, complete quests, talk to NPCs, watch cut scenes, etc.
Ziplining in Toro Verde Adventure Park. Travel to the center of the island to visit a thrilling ecological nature adventure park. Fly like a bird with the safety of a special harness attached securely to your waist and chest. On the way to Toro Verde Adventure Park, located in Orocovis, Puerto Rico, your bus takes you deep into the heart of the island filled with lush greenery and tropical wildlife. At the park, feast your eyes upon the Beast (La Bestia) with a 4,745-foot (1,446-m) cable that compromises one of the world's largest ziplines.