Humans and frogs share some similarities but also have key differences. Both humans and frogs will quickly remove themselves from hot water but find cold water comfortable. They also both have the ability to jump, though humans can run and jump farther than frogs. When threatened, both humans and frogs will make sounds seeking help. However, humans live on land in houses while frogs can live on land or in water. Humans are mammals with warm blood while frogs are amphibians with cold blood. Frogs also lay eggs while humans give birth. Finally, human skin is soft while frog skin is rough and scaly.