Double circulation in humansमनुष्य में दोहरा परिसंचरण

NCERT Fig 15.4 · interactive diagram

Parts and their functions

• Lungs (फेफड़े) — Blood is oxygenated here.
• Right side of heart (हृदय का दायाँ भाग) — Handles deoxygenated blood.
• Left side of heart (हृदय का बायाँ भाग) — Handles oxygenated blood.
• Body tissues (शरीर के ऊतक) — O₂ and nutrients delivered; CO₂ and wastes collected.
• Pulmonary circulation (फुप्फुसीय परिसंचरण) — Right ventricle → lungs → left atrium.
• Systemic circulation (दैहिक परिसंचरण) — Left ventricle → body → right atrium.

Original diagram drawn by Simple Learning Hub, based on NCERT Fig 15.4. Report a mistake