Human Circulatory System Diagram - Historical Anatomical Illustration #3627547 (License: Personal Use)

This detailed vintage line drawing depicts the full human circulatory system, including the heart at the center, major arteries (e.g., aorta), veins (e.g., vena cava), and peripheral vasculature in arms and legs. Arrows indicate direction of blood flow, and numbered labels (1-5) point to key structures such as the pulmonary artery, brachial artery, femoral artery, and subclavian vein. The style reflects pre-modern medical illustration techniques used in textbooks and lectures.

Commonly used in educational resources on anatomy, medical history, or physiology courses; ideal for users seeking historical context or visual aids for learning cardiovascular pathways. Matches search intent for “old anatomy diagram,” “circulatory system illustration,” or “vintage medical drawing.”