Anatomy Chapter 15: The Respiratory System

What are the main organs of gas exchange in the respiratory system?

• diapragm
• lungs
• trachea
• bronchi

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

The two main branches from the trachea (one to each lung)

• bronchi
• alveoli
• capillaries
• bronchioles

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.HS-LS2-3

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

Name the organ label # 2 . 

• alveoli 
• bronchi 
• trachea 
• lungs 

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli 

____ is a disease in which the air passages of the lungs periodically become too narrow, often with excessive mucus production. This causes difficulty breathing, coughing, and chest tightness. This type of disease is usually caused by stress, increased levels of activity, or allergens.

• asthma 
• cold
• influenza 
• bronchitis 

What is the small flap of tissue called that covers the air-only passage when we swallow?

• Bronchioles
• Larynx
• Alveoli
• Epiglottis

When the diaphragm contracts...

• the volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs.
• the volume of the thoracic cavity decreases and the pressure increases causing air to rush out of the lungs.