Respiratory System: Organs and Functions

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

• bronchi

• lungs

• oxygen

• alveoli

Flap of tissue that covers the opening to the windpipe during swallowing

• Pharynx

• Trachea

• Epiglottis

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

Given the following structures:

1. larynx

2. nasal cavity

3. pharynx

4. trachea

Which of the following is the correct order that air would flow during inhalation.

• 1,2,3,4

• 2,3,1,4

• 2,1,3,4

• 4,2,3,1

Which body function is made possible by the fibrous bands stretched across the larynx?

• swallowing
• breathing
• diffusion
• speech

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

Olfactory receptors are located in the mucosa of the nose. What are these receptors used for?

• sight

• smell

• touch

• taste

Tags

NGSS.MS-LS1-8

Which part of the Respiratory System plays a major role in speech?

• nose

• pharynx

• larynx

• trachea

Which structures filter and moisten air as it passes through the human respiratory system?

• cilia and mucous membranes

• alveoli and cartilage rings

• diaphragm and bronchioles

• epiglottis and bronchi

Which sequence correctly indicates the branching pattern of the human respiratory system?

• trachea -> bronchi -> bronchioles -> alveoli

• trachea -> bronchioles -> bronchi -> alveoli

• alveoli -> trachea -> bronchioles -> bronchi

• alveoli -> bronchioles -> trachea -> bronchi