Answer: Swimming Pool and Personal Trainer
Explanation:
That just sounds really fun!
<span>How long participants practice a task can also be modified to help optimize skill development. Some individuals might need additional sessions to achieve a desired physical activity outcome, whereas others might attain personal goals in fewer sessions. </span>
Http://faculty.southwest.tn.edu/rburkett/interactions_of_the_digestive_system.htm
Hope this will help!