A BAFTA award nominated documentary investigating the systematic and pulmonary circulation of the blood in the human body.
| Release Date | January 1, 1948 | |
|---|---|---|
| Status | Released | |
| Original Title | Circulation | |
| Runtime | — | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Gaumont-British InstructionalGaumont-British Animation | |