罐装可乐和瓶装可乐哪个更好喝？
罐装
瓶装
碎碎冰哪一半比较多
尖头
圆头
哪种牛奶营养价值低
袋装牛奶
盒装牛奶
瓶装牛奶
现挤的牛奶
你能连着咽三次口水吗
不能
能
以下哪个器官从出生时就不再生长
耳朵
眼睛
鼻子
嘴
以下不属于味觉的是
酸
甜
苦
辣
一直盯着手心看
手心会痒
手心会发热
手心会痛
手心会变凉
你房间里最多的灰尘是
刮进来的土
你的头皮屑
你脱落的死皮
头发
以下说法错误的是
微笑能延长寿命5秒
大笑能延长寿命50秒
狂笑能延长寿命50秒
Be happy
你的脚和身体哪一部位一样长
后臂
肩宽
小腿
前小臂
驱蚊水的原理
干扰蚊子的平衡系统
干扰蚊子的感觉器官
毒死蚊子
影响蚊子的消化系统
人类有几对染色体
22
24
23
21
以下代表男性的是
ZW
ZZ
XX
XY
闭上眼睛能走直线吗
能
不能
怎样避免切洋葱时流泪
嚼口香糖
吃巧克力
含一口水
喝一口醋
不管多大的纸，最多只能对折几次
7
8
9
10
看电视时的大脑比睡觉的时候活跃
对
错
人类的骨骼每几年会完全更新一次，意味着我们的身体每几年都是全新的
两
七
十
二十
人类的舌头上大约有9000个味蕾不可以感知
酸
甜
辣
鲜
兔子是通过哪一部位散热的
耳朵
脚
嘴巴
鼻子
引起煤气中毒的主要气体是
CO
CO2
NO
NO2
新疆的哈密瓜之所以甘甜主要是因为
气候干燥
日夜温差较大
雪水灌溉
日照充足
diaphragm
肺
横膈膜
气管
心脏
lungs
气管
支气管
肺
脑
larynx
咽
喉
气管
食道
肋间肌
intercostal muscle
fibrous part of the diaphragm
muscular part of the diaphragm
ribs
气体交换
Cellular respiration
Gas exchange
Oxygenation
Carbon dioxide removal
bronchus
支气管
肺泡
气管
咽喉
the small tubes in the lungs that branch off from the bronchi
Alveoli
Bronchioles
Capillaries
Trachea
respiration
The physical movement of air in and out of the lungs
The biochemical process of releasing energy from glucose
The circulation of blood through the body
The storage of oxygen in the lungs
inhalation
The movement of oxygen into the lungs
The movement of carbon dioxide out of the blood
The contraction of the heart
The release of air from the lungs
exhalation
The process of inhaling oxygen
The removal of air from the lungs
The exchange of gases in the alveoli
The diffusion of oxygen into the blood
What does the term "gas exchange" refer to?
The movement of food particles in the intestines
The exchange of gases between the air and blood in the lungs
The process of blood clotting
The removal of solid waste from the body
Which of the following structures is the site for gas exchange in the human respiratory system?
Trachea
Bronchi
Alveoli
Bronchioles
What is the purpose of the cilia in the trachea and bronchi?
To filter and warm the air
To secrete mucus
To trap dust and microbes in mucus and move them away from the lungs
To exchange gases with the blood
What is the role of the diaphragm during inhalation?
It relaxes, pushing air into the lungs
It contracts and becomes flattened, increasing the volume of the chest cavity
It contracts and moves upward, decreasing lung volume
It stays still
Which gas is transported by red blood cells from the lungs to the body's tissues?
Carbon dioxide
Nitrogen
Oxygen
Water vapor
In humans, how does the body prevent food from entering the trachea during swallowing?
The epiglottis covers the trachea
The diaphragm contracts
The ribcage moves upward
The alveoli close
Which of the following correctly describes the path of oxygen from the external environment to the blood?
Nose → Trachea → Bronchi → Alveoli → Blood
Nose → Alveoli → Bronchi → Trachea → Blood
Bronchi → Trachea → Alveoli → Blood → Nose
Blood → Alveoli → Trachea → Nose → Bronchi
How is carbon dioxide transported from body tissues to the lungs?
Attached to red blood cells' hemoglobin
Dissolved in plasma or as bicarbonate ions
Bound to platelets
Released directly into alveoli