3. list and describe two internal influences and two external influences on physical activity.

Internal:

1.  Budget - Where can you afford to go? What equipment can you afford?

2.  Your Experiences – Have you had a bad accident or injury with physical activity before?

External:

1.Location and Weather– Is there a park in your neighborhood? Is it too cold or too foggy outside?

2.Family and Friends – Do you have a friend or family member that likes to be physically active?

Internal:

1.  Budget - Where can you afford to go? What equipment can you afford?

2.  Your Experiences – Have you had a bad accident or injury with physical activity before?

External:

1.Location and Weather– Is there a park in your neighborhood? Is it too cold or too foggy outside?

2.Family and Friends – Do you have a friend or family member that likes to be physically active?

answer; i believe that the correct answer is ; ///(muscle adaptation principe);

answer normal force;