A Level Biology Revision "Single and Double Circulatory Systems" скачать в хорошем качестве

A Level Biology Revision "Single and Double Circulatory Systems"

You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/... In this video, we look at single and double circulatory systems. First, we look at single circulatory systems such as that found in fish. We then explore the double circulatory system for example the one found in humans. Finally, for OCR students, we look at what is meant by a closed circulatory system (eg in humans and fish) and an open circulatory system (eg in insects). This video is aimed at the UK A Level Biology specifications. Students studying International A Level Biology will need to check their specification. Image Credits: Amoeba https://commons.wikimedia.org/wiki/Fi... SmallRex, CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons Cheetah https://commons.wikimedia.org/wiki/Fi... Malene Thyssen, CC BY-SA 3.0 https://creativecommons.org/licenses/..., via Wikimedia Commons Blood https://commons.wikimedia.org/wiki/Fi... Echinaceapallida, CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons Cod https://commons.wikimedia.org/wiki/Fi... Hans-Petter Fjeld, CC BY-SA 2.5 https://creativecommons.org/licenses/..., via Wikimedia Commons Termite https://commons.wikimedia.org/wiki/Fi... Bernard DUPONT from FRANCE, CC BY-SA 2.0 https://creativecommons.org/licenses/..., via Wikimedia Commons