百度试题 结果1 题目① Humans breathe in oxygen and breathe out carbon dioxide.人吸入氧气,呼出二氧化碳。 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
[巩固内化] 完成句子① Humans breathe in oxygen and breathe out carbon dioxide.人吸入氧气,呼出二氧化碳。②He ___held his breath while the results were read out.宣读结果时,他屏住了呼吸。③She was soon out of breath___, but went on running.她很快就气喘吁吁了,但仍继续跑。 相关知识点: ...
What substance do the secretory cells in the lung release? a. Carbon dioxide b. Oxyhemoglobin c. Myoglobin d. Surfactant e. Carbonic anhydrase How do two different changes in the heart help the body during exercise? Answer...
42. They placed the child in an oxygen tent when he had difficulty in ___(breathe).(所给词的适当形式填空) 2023/06/13 | 29次组卷 | 2卷引用:2020-2021学年北师大版必修第二册Unit 5 Humans and nature基础回顾检测 相似题 纠错 详情 收藏 43. I might have been trapped ___ the fire ...
. The plants are using sunlight to convert carbon dioxide (CO2) and water to carbohydrates. At the same time, they release oxygen that humans need to breathe. This process occurring in plants is called photosynthesis, and the plants need the carbohydrates to grow, just like humans and animals...
Humans breathe in___ and breathe out carbon dioxide. A. oxygen B. nitrogen C. hydrogen D. helium 相关知识点: 试题来源: 解析 A。人类呼吸时吸入氧气,呼出二氧化碳。选项 B“nitrogen”是氮气;选项 C“hydrogen”是氢气;选项 D“helium”是氦气。反馈...
百度试题 结果1 题目5. Humans breathe in oxygen and breathe out carbon dioxide. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
The plants are using sunlight to convert carbon dioxide (CO2) and water to carbohydrates. At the same time, they release oxygen that humans need to breathe. This process occurring in plants is called photosynthesis, and the plants need the carbohydrates to grow, just like humans and animals. ...
.Animal waste and dead bodies are broken down by small creatures,like those worms in the soil.This is their(3).The carbon dioxide that people and animals breathe(呼吸)out is used by plants to breathe and help them (4).Plants give out oxygen which people and animals need ...
Clouds are made of water vapor.The atmosphere has a lot of oxygen in it for animals to breathe,but the rest of our "air" 地球是唯一的植物在我们的太阳系,人、其他animais和植物装live.there于罐中是喝或居住的大量水in。 水是存在地球在它的大海洋和在天空中! 云彩由水蒸气制成。大气有很多氧气...