Respiratory Structures and functions

What is the main function of the respiratory system?

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

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

• diapragm
• lungs
• trachea
• bronchi

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

NGSS.HS-LS2-5

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 

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

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