WONDER #1696: How Can Animals Function Without a Brain?

Question 1 of 3

What do you get when neurons cluster together into one big lump?

1. brain
2. spleen
3. intestine
4. finger

Question 2 of 3

Which creature has no brain and no nerve cells but can sneeze?

1. coral
2. jellyfish
3. sponge
4. starfish

Question 3 of 3

Which of the following is NOT an example of an animal that has no brain?

1. jellyfish
2. coral
3. sponge
4. badger

Check your answers online at https://www.wonderopolis.org/wonder/how-can-animals-function-without-a-brain.