What's flowing down his face?
blood
What is the cat doing?
It's stretching.
What should you do before a training/workout?
warm-up exercises
What grows when we exercise?
muscles
What do we call the speed with which our hearts beat?
heart rate
What do we call the gas that people need to survive?
oxygen
What do we call the places where our bones meet? (like knees, ankles, elbows...)
joints