a drawing of a heart with a vein attached to it

Title: Cardiovascular system Creator: Wetselaar-Whittaker, J Date: 1984-08-22 Providing institution: Universitaire Bibliotheken Leiden Aggregator: Dutch Collections for Europe Providing Country: Netherlands Public Domain Cardiovascular system by Wetselaar-Whittaker, J - Leiden University Libraries, Netherlands - Public Domain. https://www.europeana.eu/item/744/item_3462349