Muscle Movement, hope I helped!
Your answer to this statement will be A. conjugation
Pituitary gland I do believe
A testable question then testable hypothesis I think?
Answer:
keep their heart and lungs strong and healthy,
become more flexible,
develop strong bones,
keep a healthy body weight,
lower the risk of several diseases and health problems,
improve their mood and self-esteem, and
do better in school
Hope this helped have an amazing day!