B3.1 Gas Exchange: Humans
14 review questions with answers for B3.1 Gas Exchange: Humans, marked SL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.
The exchange of O₂ and CO₂ between an organism and its environment?
- Tidal volume
- Partial pressure
- Intercostal muscles
- Gas exchangeRight answer
All 14 questions and answers
The exchange of O₂ and CO₂ between an organism and its environment?
Answer: Gas exchange
The mechanical movement of air into and out of the lungs?
Answer: Ventilation
The "windpipe"; the main tube carrying air from the larynx to the bronchi?
Answer: Trachea
One of the two main airways branching from the trachea into each lung?
Answer: Bronchus
Small airway branching from a bronchus that leads to the alveoli?
Answer: Bronchiole
Tiny air sac in the lungs where gas exchange occurs?
Answer: Alveolus
The dome-shaped muscle below the lungs that contracts during inhalation?
Answer: Diaphragm
The muscles between the ribs that assist in the breathing process?
Answer: Intercostal muscles
The pressure exerted by a single gas within a mixture of gases?
Answer: Partial pressure
Extremely thin alveolar cells specialized to minimize diffusion distance?
Answer: Type I pneumocyte
Cuboidal alveolar cells that secrete pulmonary surfactant?
Answer: Type II pneumocyte
The volume of air taken in or out during a normal breath?
Answer: Tidal volume
A condition where alveolar walls are destroyed, reducing surface area for gas exchange?
Answer: Emphysema
What is the primary cause of both lung cancer and emphysema?
Answer: Smoking (tobacco smoke)
Play it as a class game
Play this set opens it in splycr, where you can host it for your class straight away. Hosting needs no account: put the room code on the projector, and students join from a phone with the code and their first name. Each question plays as multiple choice, and the three wrong options are other answers from the same set.