What is the primary function of mucus and cilia in the nostrils?

• Sound production
• Filtration
• Temperature Control
• Respiration

The nostrils, larynx, and trachea are all made primarily of:

• Cartilage
• Bone
• Muscle
• Tendons

Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place?

• Larynx
• Bronchi
• Trachea
• Alveoli

During cellular respiration, what happens to the carbon dioxide?

• It leaves the alveoli and is exhaled from the lungs
• It leaves the bloodstream and enters the alveoli
• It leaves the cells and enters the bloodstream
• It leaves the alveoli and enters the bloodstream

If a person could not produce surfactant, his/her:

• Alveoli would collapse
• Bronchi would collapse
• Vocal chords could not vibrate
• Epiglottis would close

Which organelle uses oxygen to release enery from food?

• nucleus
• ribosome
• mitochondrion
• endoplasmic reticulum

Tags

NGSS.MS-LS1-7

The movement of oxygen from the alveoli to the blood and from the blood to the tissues is due to the process of... 

• osmosis
• diffusion
• cytokinesis
• phagocytosis

Gases move from a lower pressure to a higher pressure. 

• True
• False

The normal oxygen content of inhaled air is approximately

• 0.04%

• 21%

• 79%

• 100%

Why do you need mucous membranes in the bronchioles?

• to help the food go down smoothly

• to stop the air irritating them

• to help air pass through

• to trap and remove foreign particles