Template:Motd/2023-02-04 (en)

In this video of a fish embryo you can see the heart beating and pumping the blood to the rest of the body.

 Template:Motd/2023-02-04

This is the English translation of the Media of the day description page from 4 February 2023.

Descriptions in other languages:

• Motd/2023-02-04 (cs)
• Motd/2023-02-04 (de)
• Motd/2023-02-04 (en)
• Motd/2023-02-04 (myv)
• Motd/2023-02-04 (sl)
• Motd/2023-02-04 (uk)