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Blood (Hematologic) Videos

Blood carries oxygen, fights infection and clots to stop bleeding. These hematology videos show how blood clots — including striking demonstrations of coagulation — and techniques for controlling hemorrhage.

✓ Medically reviewed by Dr. Mohamed Ibrahim, MD, PhD — physician-scientist · Last reviewed: November 2026

About this collection

This page collects clotting, bleeding control and blood topics — starting with the most-watched. For the complete list, browse all Hematologic videos in search.

The videos on this page are general information, not medical advice. If you have symptoms or concerns, seek care from your own clinician, who knows your history.