HBS 3.3 - Respiratory system

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

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

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli 

The passageway that is shared by both the digestive and respiratory system is the....

• larynx
• pharynx
• trachea
• nose

What does the Larynx hold ?

• The larynx holds the whole sub system 
• The larynx is part of the plant cells. 
• The larynx holds the vocal chords. 
• The larynx is part of animal tissues. 

In the human Respiratory system, bronchioles directly connect the

• trachea and pharynx

• bronchi and alveoli

• nasal cavity and trachea

• epiglottis and larynx

Which structures comprise the upper respiratory system?

• Nose pharynx, larynx, trachea

• nose and pharynx

• bronchi, bronchioles and alveoli

• Nose, pharynx and larynx

This structure attached to the larynx flops over the entrance to the trachea during swallowing.

• Pharynx

• Tonsils

• Epiglottis

• Appendix