Benchmark 6C
The Human Organism: Basic Functions
Grades 6-8, page 137

Interactions among the senses, nerves, and brain make possible the learning that enables human beings to cope with changes in their environment.
 

NSES Content Standard C 
Life Science: Regulation and behavior
Grades 5-8, page 157
All organisms must be able to obtain and use resources, grow, reproduce, and maintain stable internal conditions while living in a constantly changing external environment.

NSES Content Standard C 
Life Science: Regulation and behavior
Grades 5-8, page 157
Regulation of an organism's internal environment involves sensing the internal environment and changing physiological activities to keep conditions within the range required to survive.