Correct: White blood cells keep us healthy by protecting the body against infection, Red blood cells carry oxygen from the lungs to the cells., White blood cells are larger than red blood cells., Red cells and white cells have different functions, Platelets are small bits of cell that help blood clot, Arteries: Transport high-pressure blood AWAY from the heart, Veins: Transport blood TOWARDS the heart, Capillaries: TINY blood vessels, transport blood to and from organs and cells, Red blood cells have no nucleus, Red blood cells have a flat dimpled shape, Red blood cells: Oxygen attaches to haemoglobin, Incorrect: Red blood cells keep us healthy by protecting the body against infection, White blood cells carry oxygen from the lungs to the cells., Red blood cells are larger than white blood cells., Platelets are small bits of cell that help blood turn red, Arteries: Transport high-pressure blood TOWARDS the heart, Veins: Transport blood AWAY from the heart, Capillaries: LARGE blood vessels, transport blood to and from organs and cells, Red blood cells have a nucleus, Red blood cells have a round shape, White blood cells: Oxygen attaches to haemoglobin,

Circulatory System

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？