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.
Answer:
Always having a support, having someone to trust
Explanation:
Answer:
D
Explanation:
when doing aerobics your body becomes more flexible, making it easier to do other exercises. Also, When doing any type of exercise more and more each day, your body starts to become use to all the work your doing and starts steading with the speed of your heart.