NCES.EX.5.L.1 - Understand how internal and external structures of the human body perform functions necessary for life.
- NCES.EX.5.L.1.1 - Identify internal structures of the human body (e.g. heart, lungs, bones, stomach, muscles) and their functions.
- NCES.EX.5.L.1.2 - Understand how the functions of internal and external structures (e.g. eyes, nose, ears, mouth) of the human body are essential for life.