The Lungs

Oxygen from the air enters the blood stream at what location?

• Cardiac Notch
• Pulmonary Vein
• Alveoli
• Paranasal Sinuses

Inhale!!!
My lungs ________

• Got Smaller
• Got Bigger

Where is the bronchi?

• A
• B
• C
• D

What is #6?

• Aveoli
• Lung
• Vocal Cord
• Trachea

Which of the following does NOT make up part of the lungs?

• Alveoli
• Bronchioles
• Trachea
• Bronchi

Which lung has 3 lobes?

• Right
• Left
• Purple
• Big

O₂ diffuses from the alveolar air into the blood in pulmonary capillaries, as pO₂ is higher in the capillaries. 

• True 
• False

Why is P_O2 higher in systemic capillaries than it is in tissue cells?  

• Tissue cells are undergoing mitosis constantly 
• Tissue cells are constantly producing wastes, such as CO₂
• Tissue cells constantly use O₂ to produce ATP

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

What is the function of the bronchi?

• Transport air from nose to lungs
• Transport air from trachea to lungs
• Transport air from lungs to alveoli
• Transport air from alveoli to blood