A: Cilia
B: Bronchioles
C: Tracheae
D: Pulmonary alveoli
举一反三
- The small air sacs in the lungs through which gases are exchanged between the atmosphere and the blood are the __.
- Pulmonary alveoli are the main part of lung gas exchange and the functional unit of lung.
- When the diameter of the fine particles in the haze is 10 microns, it can directly enter the alveoli and bronchioles of the human body, stimulating the bronchoconstriction, affecting the ventilation function of the alveoli and causing hypoxia induced by the body.
- In which of the following locations do coarse crackles mainly occur? A: Bronchiole B: Main bronchus C: Bronchia D: Alveoli E: Terminal bronchioles
- 1. When the diameter of the fine particles in the sputum is 10 microns, it can directly enter the alveoli and bronchioles of the human body, stimulating the bronchoconstriction, affecting the ventilation function of the alveoli and causing hypoxia induced by the body.
内容
- 0
Which of the following is True about the heart?____( ). A: The blood is pumped into the right ventricle and to the pulmonary artery to be sent to the lungs where carbon dioxide is removed and oxygen is added. B: The heart is roughly the size of the your fist. C: During the systole, oxygenated is pumped out of the right ventricle into the aorta and from there through the veins to all organs of the body. D: There are four chambers which are made up of several layers of smooth muscles.
- 1
Ventilation in birds is accomplished by expansion and contraction of the ( ). A: air sacs B: trachea C: lungs D: diaphragm E: air capillaries
- 2
29.Blood transports _______ from the lungs to the cells throughout the body. A: oxygen B: water C: carbon dioxide D: plasma
- 3
A special procedure to examine the blood vessels of the lungs by X-ray is called( ). A: thoracocentesis B: pulmonary angiography C: a lung scan D: bronchoscopy
- 4
He found Tony near the Air France counter,where he gave Brian a round-trip ticket and a small package.