Nutrients are substances that are essential for the growth, maintenance, and repair of the body. They provide the energy and building blocks necessary for bodily functions and are obtained from the food we eat. There are several types of nutrients, each with specific roles in the body.
From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.