Challenge: A chemical equation is balanced when each side of the equation includes the same number of each type of atom. Is the equation balanced as written? Why or why not? If you are familiar with balancing equations, balance the photosynthesis equation. Write the balanced equation below, and then check your work

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.