Respiration and photosynthesis have the opposite raw materials and products. These two processes are known as - Helper processes
- Similar processes
- Coupled processes
- Complementary processes

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Which of the following human activities resulted in the growth of the north american deer population?

What happens during the experiment stage of the scientific method