Brain Capillaries
Pulmonary Trunk
Aorta
Two Circuits of Circulation
🫁
Pulmonary Circuit (Lungs)
- ▶ Start: Right Ventricle (Venous Blood)
- ⏹ End: Left Atrium (Arterial Blood)
- ⚙️ Function: Gas exchange. Blood releases CO₂ and absorbs O₂.
🧠
Systemic Circuit (Body)
- ▶ Start: Left Ventricle (Arterial Blood)
- ⏹ End: Right Atrium (Venous Blood)
- ⚙️ Function: Nourishes tissues and delivers oxygen to the whole body.
🔬 Gas Exchange in Tissues
⚖️ Diffusion: from high to low concentration
Air (Alveolus)
Air (Alveolus)
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