1.The body's circulatory system includes the heart and blood vessels.
人體的血液循環系統包括心臟和血管。
2.The heart pumps blood to all parts of the body through a network of arteries and veins.
心臟通過動脈和靜脈網絡將血液輸送到身體的各個部位。
3.The digestive system breaks down and absorbs food into the body.
消化系統分解并吸收食物進入身體。
4.It supplies the energy that the body needs for growth and repair.
它提供身體生長和修復所需要的能量。
5.After digestion,excess food is turned into waste and eliminated from the body.
消化后，多余的食物會變成廢物并從體內排出。
6.The nervous system includes the brain,spinal cord and nerves.
神經系統包括大腦、脊髓和神經。
7.This is your body's control system.
這是你身體的控制系統。
8.It controls your muscles and organs,including your circulatory and digestive systems.
它控制著你的肌肉和器官，包括你的血液循環系統和消化系統。
9.The respiratory system includes the nose and lungs.
呼吸系統包括鼻子和肺。
10.It brings air and oxygen into the body and removes carbon dioxide.
它把空氣和氧氣帶進身體，排出二氧化碳。
11.The lungs are where oxygen enters the bloodstream and carbon dioxide is removed.
肺是氧氣進入血液和二氧化碳被清除的地方。
12.The immune system protect the body against infections and diseases.
免疫系統保護身體免受感染和疾病的侵害。
13.Sneezing and fever are example of how the immune system works.
打噴嚏和發燒是免疫系統工作的例子。
14.If an infection invades the body, the immune system attacks It.
如果感染侵入身體，免疫系統就會攻擊它。
15.The digestive system is where food is broken down and absorbed into the body.
消化系統是食物被分解和吸收到身體的地方。
