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Smart Doctor on Instagram: "Life’s Hidden Engine 💓 . . . . The human heart is a vital organ that pumps blood throughout the body, supplying oxygen and nutrients while removing carbon dioxide and waste products. Here are some key points about the human heart: Anatomy: The heart has four chambers: two upper atria and two lower ventricles. The right side pumps deoxygenated blood to the lungs, while the left side pumps oxygenated blood to the rest of the body. Valves: There are four main valves (tr

Pubity on Instagram: "😭 Running boosts cardiovascular health, strengthens muscles, and improves lung capacity while also helping the body manage weight and blood sugar more efficiently. It releases endorphins that reduce stress and support better mood, and it increases overall stamina and energy levels. Even short, consistent runs can improve heart function, support joint health, and lower the risk of long-term diseases. (🎥: @socialrunclubperth @markpeppers) #surprise"