Help ya girl out yall

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.