The nurse teaches a child with cystic fibrosis how to perform the "huff" maneuver. which instructions should the nurse tell the child?

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above