Respiratory System 呼吸系统
The respiratory system helps people breathe in air and get oxygen for the body.
It starts at the nose and mouth, then air moves down the windpipe into the lungs.
Inside the lungs, oxygen from the air moves into the blood.
The body needs oxygen from the air to give us energy to play and learn.
When you breathe out, your body gets rid of carbon dioxide.
Practicing deep breathing and spending time outdoors can help the respiratory system stay healthy.
呼吸系统帮助人们吸入空气并为身体带来氧气。
它起于鼻子和嘴巴,空气沿气管进入肺部。
在肺里,空气中的氧气会被送进血液。
人体需要空气中的氧气来获得活动和学习所需的能量。
呼气时,身体会排出二氧化碳。
多做深呼吸和常在户外活动有助于呼吸系统健康。
配套练习✍️ respiratory system /ˈrespərəˌtɔːri ˈsɪstəm/
🔍 完形填空(Cloze Test)
-
The respiratory system helps people get ______ for the body.
(a. food / b. oxygen / c. color) -
Air enters through the nose and ______.
(a. feet / b. hair / c. mouth) -
Oxygen goes from the lungs into the ______.
(a. blood / b. ear / c. eye) -
The body needs oxygen to have ______ to play and learn.
(a. noise / b. energy / c. color) -
When people breathe out, the body removes ______.
(a. dust / b. water / c. carbon dioxide)
✅ 选择题(Multiple Choice)
-
Where does air go after the windpipe?
A) Into the lungs
B) Into the hands
C) Into the stomach -
What helps keep the respiratory system healthy?
A) Watching TV indoors
B) Practicing deep breathing
C) Eating ice cream -
What is one important job of the respiratory system?
A) Making the heart beat
B) Getting rid of carbon dioxide
C) Moving the legs
✏️ 填空题(Fill in the Blanks)
-
The respiratory system starts at the nose and ______.
(可选答案:mouth, finger, toe) -
Inside the lungs, ______ moves into the blood.
(可选答案:oxygen, salt, milk) -
We need oxygen to have enough ______.
(可选答案:energy, shoes, grass) -
Breathing out removes ______ from the body.
(可选答案:carbon dioxide, sugar, water)
练习答案✅
完形填空
- b. oxygen
- c. mouth
- a. blood
- b. energy
- c. carbon dioxide
选择题
6. A) Into the lungs
7. B) Practicing deep breathing
8. B) Getting rid of carbon dioxide
填空题
9. mouth
10. oxygen
11. energy
12. carbon dioxide
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