BBC9 个月
KS2 Science: How do muscles and bones work?
PRESENTER:Lots of different muscles work together to help us move, and do lots of different ... for teaching the topic of the human body at KS2 in England, Wales and Northern Ireland and Second ...
BBC6 个月
How do your muscles work?
Muscles are found all over our body. They control the movements we make and help us to move our bodies. If we think about moving some muscles, like our arm muscles, they move. Other muscles ...