Human respiratory system and Gas exchange

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 

The trachea...

• extends from the nasal cavity to the bronchi
• is lined with cilia
• lies posterior to the esophagus
• is the passageway for food into the stomach

The actual gas exchange with the blood occurs in the 

• bronchi
• bronchioles
• alveoli
• ventricles

Tags

NGSS.HS-LS2-3

Which of the following is not a characteristic of human lungs?

• Both right and left lungs are composed of three lobes. 
• Bronchi divide to form bronchioles.
• Capillary supply is abundant to facilitate gas exchange with the blood.
• The alveoli are tiny air sacs arranged in clusters.  

The use of oxygen by the cells to release enery from food is called...

• photosynthesis
• cellular respiration
• diffusion
• osmosis

Tags

NGSS.MS-LS1-7

During inhalation, the diaphragm moves upward decreasing the volume of the thoracic cavity.

• True 
• False

The role of the mucus and and cilia in the respiratory system is to....

• warm the air. 
• clean the air.
• humidify the air. 
• All of the choices are true. 

Gases move from a lower pressure to a higher pressure. 

• True
• False

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

Arteries carry oxygen rich blood away from the heart.

• True

• False