Help lol I don’t get it at all and need help with this

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

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale