The answer to your question is B. stressor.
A stressor is an event or situation that causes a strain on your body or mind.
Answer:
true
Explanation:
you break the food down with your mouth to start digestion
Eating healthy, exercising
Answer:
The scientist was Ivan Pavlov
Explanation:
He was a Russian scientist, who performed multiple research on dogs. He is best know for his experiments in classical conditioning.
