The correct answer is d all of the above
Exercises that work the core are exercising muscles found in the Abdomen.
The correct answer is Timmy’s stamina
The main responsibility of the endocrine system is to regulate the body's growth and development, so I think your answer would be "create growth spurts in teen boys"
Hope this helps!
Inflammation that occurs in the area surrounding the wrist, elbow, shoulder or knee
B)Tendonitis