Alveoli Labeling Quiz

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Questions and Answers

What is the term for the large blood vessel that carries deoxygenated blood from the heart to the lungs?

Aorta
Superior Vena Cava
Pulmonary Artery (correct)
Pulmonary Vein

What is the term for the blood vessel that carries oxygenated blood back to the heart from the lungs?

Pulmonary Vein (correct)
Inferior Vena Cava
Pulmonary Artery
Aorta

What is an alveolus?

A tiny air sac in the lungs where gas exchange occurs.

What are capillaries?

Tiny blood vessels that connect arteries and veins. Signup and view all the answers

What are alveolar ducts?

Small ducts that connect the respiratory bronchioles to the alveolar sacs. Signup and view all the answers

What are alveolar sacs?

Clusters of alveoli at the end of the alveolar ducts. Signup and view all the answers

Study Notes

Pulmonary Vessels

Pulmonary Artery: Transports deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
Pulmonary Vein: Carries oxygenated blood from the lungs back to the left atrium of the heart.

Alveolar Structures

Alveolus: Tiny air sacs in the lungs where gas exchange occurs; they increase surface area for efficient oxygen and carbon dioxide diffusion.
Capillaries: Microscopic blood vessels surrounding alveoli; facilitate the exchange of gases between the air in the alveoli and the blood.
Alveolar Ducts: Tube-like structures leading from the bronchioles to the alveolar sacs; enhance airflow regulation within the lung.
Alveolar Sacs: Clusters of alveoli at the end of alveolar ducts; function as the terminal air spaces where gas exchange predominantly occurs.

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Description

Test your knowledge on the anatomy of the alveoli with this labeling quiz. Identify key components such as the pulmonary artery, pulmonary vein, and alveolar structures. Perfect for biology students looking to reinforce their understanding of respiratory anatomy.