Please help me anyone asap!

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

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly