Dont worry ill help you, the answer is D, that's what the bottom of the question says.
hope i helped :)
Answer:
Aim to be at your THR for at least 15 to 20 minutes workout time, and ideally 35 to 45 minutes. If you're a beginner, start at 65 percent to 70 percent of your maximum heart rate and gradually increase the intensity.
Answer:
no is not a good drug is a bad drug
Each organ is a system so it plays a role in what the body does which organ . I don’t have my gallbladder the dr said I don’t really need it .