Schools are looking for a balanced food option to serve their students. They are looking for a food that has some carbohydrates, proteins, and lipids.

1. Identify a food on the list that has some of each of the macromolecules.

2. Explain how you know that the food has the macromolecules. (Hint: there are 3 tests you need to run, what are they?)

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

How can an organ, such as the lungs, work for multiple body systems?