What is the main reason why you may need to adjust an exercise program over time?

a)boredom
b)muscle adaptation c)potential muscle injury d) plateaus

What are three important public health tools for addressing heart disease? identify the tools, and explain why they are a benefit to public health. you! : )

Jason pressures emmanuel to be a gang member. which choice is the best way emmanuel can respond? tell jason he is not interested in joining. ignore jason and brush off what he says. lighten the mood by changing the subject. keep quiet and continue listening to jason.

Answer in a couple of paragraphs, 1 or 2 at the most if anything! 20 points + brainliest--> explain what all the systems in your body do to work together < --list of systems needed: circulatory systemrespiratory systemdigestive systemexcretory systemnervous system