BBC7 个月
KS2 Science: How our circulatory system keeps us alive
PRESENTER:Blood carries oxygen around our bodies ... This short film will be relevant for teaching the topic of the human body at KS2 in England, Wales and Northern Ireland and Second Level ...
BBC7 个月
KS2 Science: Respiration - how is oxygen transported round the body?
His lungs are working hard to supply his body with oxygen, and his heart is beating ... for teaching the topic of the human body at KS2 in England, Wales and Northern Ireland and Second Level ...