homeostasis

"The student's ability to concentrate in noisy environments was crucial for success in the class. "

"The stray dog, startled by the car, snapped at the tire and blooded its own nose. "

"After running to catch the bus, I was sweating. "

"The single-celled organism was studied by the biology students in their science class. "

"The noisy environment of the school cafeteria made it difficult to concentrate on my homework. "

"My friends are always there to maintain my confidence when I'm struggling with my studies. "

"The mechanic maintains the engine while I fetch him the tools he needs. "

"The family reached a state of equilibrium after a long, difficult discussion about chores. "

"Watch the dynamic between the husband and wife when they disagree."

"Her constancy in visiting her grandmother every week, despite her busy schedule, showed how much she cared. "

"The temperature in the room dropped nearly 20 degrees; it went from hot to cold."

"We saw the internal compartments."