5 Questions
Which organ is responsible for gas exchange in land animals?
Lungs
What are the microscopic air sacs in the lungs called in mammals and reptiles?
Alveoli
How do the air sacs in the lungs come into contact with the blood?
They have a rich blood supply
What is the largest hollow tube that connects the air sacs in the lungs to the external environment?
Trachea
Where does gas exchange occur in the lungs?
Alveoli
Test your knowledge of the respiratory system with this quiz! Learn about the organs and structures involved in gas exchange, as well as the anatomy and physiology of different organisms. Perfect for biology enthusiasts and students.
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