DIGESTIVE SYSTEM: obtain nutrients, form and eliminate faeces, put the nutrients into the blood, RESPIRATORY SYSTEM: obtain oxygen, exchange of gases in the alveoli, eliminate carbon dioxide, CIRCULATORY SYSTEM: transport oxygen and nutrients, collect waste, distribute substances, EXCRETORY SYSTEM: produce urine, eliminate urine, SKIN: produce sweat, eliminate sweat ,

Nutrition: systems and functions

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？