Possible Clues:

• Vital channel is to overflow after initial drop, with street covered in fish
• Initiate and master churned up current in vessels
• Stable door collapsed on motorway's arterial system
• Body's circulatory system
• What flows around the body
• Arts bloomed with revival in circulation
• Circulatory flow
• Model boats moved around river in vital flow
• Initiate a lot of learners into something essential to human life