Лабораторне заняття "Антерії та вени великого кола кровообігу"

New channel Cтаніслав Крась: title sample judged 'pick' (Mixes substantial anatomy/medical lecture content (clearly educational) with vintage radio equipment demos, personal vlo); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.