What are the macronutrients that humans consume? Choose ALL that apply.
A. Grass
B. Carbohydrates
C. Rocks
D. Sand
E. Fats
F. Worms
G. Proteins
H. Air

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Witch theory suggests all living things are made up of cell or cells