Why is hippos sweat red?

Related questions

1. Why do I sweat pink?
2. What Pokemon can I use King's Rock On?
3. What Pokemon are on Mirage Island?
4. Is Slowpoke an otter?
5. Can Slowbro devolve?
6. How do you evolve slowpoke into Slowbro?
7. Does King's Rock stack with serene grace?
8. What is the color of a giraffe?
9. What is on Slowbro's tail?
10. What's effective against slowpoke?

Tags

1. #mucous
2. #keeps
3. #glands
4. #known
5. #thick
6. #instead
7. #hippo
8. #their
9. #worry
10. #protects
11. #animal
12. #layer
13. #pores
14. #secrete
15. #substance
16. #blood
17. #looks
18. #creates
19. #sweating
20. #sweat
21. #moist
22. #sunburn
23. #hippos