An оbese pаtient cоmes tо the clinic complаining of swollen feet аnd ankles, fatigue, shortness of breath, and often feeling “spaced out.” She is a cashier in a grocery store, a job that requires her to stand all day. Outside of work, she engages in no physical activity. She confesses that, because of her weight, she finds even walking uncomfortable. Explain how the skeletal muscle pump is related to this patient’s symptoms (ie. how should it work in a healthy person compared to this patient), and explain how it connects the cardiovascular system and the lymphatic system.