5 Questions
In birds, what are the microscopic air sacs known as?
Atria
What is the term used for the microscopic air sacs in mammals where gas exchange occurs?
Alveoli
What is the largest hollow tube that communicates with the external environment in the respiratory system?
Trachea
What is the term for the system of airways or hollow tubes that communicate with the external environment?
Bronchioles
What process involves pumping air from the environment into the alveoli or atria?
Breathing
Study Notes
Respiratory System
- In birds, the microscopic air sacs are known as pneumatic cavities.
Gas Exchange
- In mammals, the microscopic air sacs where gas exchange occurs are called alveoli.
Respiratory Tract
- The largest hollow tube that communicates with the external environment in the respiratory system is the trachea.
Airway System
- The system of airways or hollow tubes that communicate with the external environment is referred to as the respiratory tract.
Breathing Process
- The process that involves pumping air from the environment into the alveoli or atria is called inhalation.
Test your knowledge of the organs and structures involved in gas exchange in animals and plants, as well as the anatomy and physiology of the respiratory system. Explore the variations in respiratory systems across different organisms and environments.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
