Which structures pump the blood from the heart?

Charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? lifting weights walking from one class to another running in a 5k race riding a bike at a leisurely pace

In one paragraph, explain how technology has influenced the perception of body image and weight management in both negative and positive ways. use supporting details in the form of facts, statistics, and examples. in another paragraph, describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.

Can someone give me a hand with this one.