https://www.khanacademy.org/science/health-and-medicine/circulatory-system/circulatory-system-introduction/v/two-circulations-in-the-body 2020-09-09T23:28:10Z Two circulations in the body Learn the difference between the pulmonary and systemic circulatory systems in the body. Rishi is a pediatric infectious disease physician and works at Khan Academy. Rishi Desai video https://cdn.kastatic.org/googleusercontent/mpTwNM-GiJyQmDRIXf1kyOaQYokmQ3zJNvWyVnyXBlxHGcx-J_tn8DAvatBISnGDfBkFB1u9DT69gvjWMjLQ2R1A Two circulations in the body Learn the difference between the pulmonary and systemic circulatory systems in the body. Rishi is a pediatric infectious disease physician and works at Khan Academy. https://cdn.kastatic.org/ka-youtube-converted/K57qjYYjgIY.mp4/K57qjYYjgIY.mp4 745 Introduction to the circulatory system https://www.khanacademy.org/science/health-and-medicine/circulatory-system/circulatory-system-introduction/a/the-heart-is-a-double-pump 2025-06-30T13:27:22.980068417Z The heart is a double pump article