生物界中氧和二氧化碳循环

Quiz
•
Other
•
8th - 9th Grade
•
Medium
Sonnie Wong
Used 54+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
以下都是鼻黏膜的功能,除了?
分泌黏液,黏着尘埃与细菌
润湿空气
毛细血管可暖化空气
消灭细菌
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
那一句最适合作为“咽”的叙述?
食物与空气进入体内的必经之处
声带的所在之处
•由C形软骨和结缔组织构
以上皆非
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
吸入气体时,肋骨_____,膈肌______。
向上、收缩
向下、收缩
向下、舒张
向上、舒张
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
呼出气体时,膈肌_____,肋骨_____。
向上、舒张
向上、收缩
向下、舒张
向下、收缩
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
肺活量是_______。
吸入气体最大的总量
呼出气体最大的总量
吸气的频率
呼气的频率
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
氧气在空气中的比例是21%。人吸气后,呼出来的空气含氧量为多少?
21%
16%
0%
5%
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
人体生命活动的能量从哪里来?
有机物与氧气发生氧化反应能提供能量
无机物与氧气发生氧化反应能提供能量
有机物与氧气发生分解反应能提供能量
无机物与氧气发生分解反应能提供能量
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