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四年级科学:人类-呼吸

Authored by MA Moe

Science

4th Grade

Used 97+ times

四年级科学:人类-呼吸
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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哪个条形统计图能正确地显示威信进行上图中的活动的呼吸率?

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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图中显示人类在吸气时的情况。哪项和上述情况无关联?

膈下降

胸腔扩张

肺泡把氧气输送到血管里

肺泡吸收二氧化碳并排出体外

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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图中显示人类呼气时气体交换的情况。哪项是空气在呼吸道传送的过程?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

什么是呼吸率?

进行活动时,呼气和吸气的氧气含量

胸腔在固定时间内扩张和收缩的次数

进行活动时,呼气和吸气的二氧化碳含量

进行活动时,一分钟内气体在肺内进行交换的次数

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个是人类的呼吸器官?

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Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪项说明是正确的?

人类所吸入的空气中全都是氧气

人类所吸入的空气中全都是二氧化碳

肺是人类的呼吸器官,气体进行交换的场所

吸气时,空气排出体外;呼气时,空气进入体内

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

P是什么?

肺泡

血管

气管

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