Respiratory System Review

What does the trachea have to protect the lungs from foreign invaders?

• Cilia and mucus
• Larynx and pharynx
• Nasal passages and sinuses
• Bronchi and alveoli

In the alveoli, how does gas exchange work?

• Gas exchange occurs only in the bronchi.
• Oxygen is absorbed through the skin instead of the lungs.
• Carbon dioxide is stored in the alveoli for later use.
• Gas exchange in the alveoli involves the diffusion of oxygen into the blood and carbon dioxide out of the blood.

Tags

NGSS.MS-LS2-3

Why does the left lung have 2 lobes instead of 3?

• The left lung has 3 lobes for better oxygen exchange.
• The left lung has 2 lobes to make space for the heart.
• The left lung is smaller due to evolutionary changes.
• The left lung has 2 lobes to accommodate larger air sacs.

What are the parts of the upper respiratory system?

• Nasal cavity, pharynx, larynx
• Trachea, bronchi, lungs
• Mouth, esophagus, stomach
• Sinuses, diaphragm, alveoli

What reduces friction in the lungs and enables them to expand?

• Mucus
• Alveoli
• Bronchioles
• Surfactant

What does the diaphragm do upon inspiration and expiration?

• The diaphragm expands during inspiration and contracts during expiration.
• The diaphragm remains still during both inspiration and expiration.
• The diaphragm only contracts during expiration and relaxes during inspiration.
• The diaphragm contracts during inspiration and relaxes during expiration.

What is the scientific term for "voicebox"?

• pharynx
• trachea
• esophagus
• larynx

Where does the bulk of gas exchange occur?

• Alveoli
• Lungs
• Bronchi
• Trachea

What are the parts of the lower respiratory system?

• Trachea, bronchi, bronchioles, lungs
• Esophagus, stomach, small intestine, large intestine
• Larynx, pharynx, nasal cavity, mouth
• Diaphragm, ribs, intercostal muscles, heart

What accessory muscles assist the diaphragm with respiration?

• Trapezius
• Abdominal muscles
• Latissimus dorsi
• Intercostal muscles, sternocleidomastoid, and abdominal.