Instructional Video0:44
Curated Video

Phagocyte

6th - 12th
A white blood cell that helps protect the body by engulfing and absorbing harmful bacteria, dead or dying cells, waste material, or other foreign bodies in the bloodstream and tissues. A Twig Science Glossary Film. Key scientific terms...
Instructional Video0:48
Curated Video

Biomass

6th - 12th
The total mass of living organisms in an area or ecosystem. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...