Senses can warn individuals about danger; muscles help them to fight,
hide, or get out of danger.
| NSES Content Standard C
Life Science: The characteristics of organisms Grades K-4, page 129 The behavior of individual organisms is influenced by internal cues (such as hunger) and by external cues (such as a change in the environment). Humans and other organisms have senses that help them detect internal and external cues. |