Q3-Ls6-Respiratory System

Where are the bronchioles located?

• Nose

• Throat

• Lungs

• Chest cavity

What is the main waste gas exchanged during respiration?

• Water vapor

• Carbon dioxide

• Oxygen

• Nitrogen

What is the trachea lined with to keep it open?

• Cilia

• Bronchi

• Cartilage

• Alveoli

What is the main function of the respiratory system?

• Gas exchange

• Nutrient absorption

• Waste elimination

• Temperature regulation

Which factor directly impacts breathing rate?

• Muscle tension

• Heart rate

• Blood oxygen level

• Blood pressure

What protects the lungs from friction during breathing?

• Pleura

• Epiglottis

• Vocal cords

• Pharynx

Where does gas exchange occur in the lungs?

• Bronchi

• Larynx

• Alveoli

• Pleura

What part of the brain regulates breathing rate?

• Cerebellum

• Medulla oblongata

• Frontal lobe

• Temporal lobe

What respiratory organ can be influenced by the nasal cavity?

• Lungs

• Bronchi

• Larynx

• Diaphragm

What is the correct order of air flow during inhalation?

• Bronchi, larynx, pharynx, trachea

• Nasal cavity, pharynx, larynx, trachea

• Larynx, trachea, bronchi, alveoli

• Nasal cavity