Respiratory System Test

Beginning with the nasal passages and ending with the cells, what is the correct sequence for the path of oxygen through the respiratory system?

Letter E is known as the

• Bronchiole
• Alveoli
• Bronchi
• Lung

_________________ is the respiratory surface where gas exchange occurs.

• Bronchi
• Alveoli
• Bronchiole
• Lung

The _______________ is the muscle at the bottom of the chest cavity

• Lung
• Diaphragm
• Pharynx
• Bronchi

The trachea branches into two smaller tubes called bronchioles

• True
• False

Letter C is known as the

• Bronchiole
• Trachea
• Alveoli
• Lung

Tiny hairs which trap dirt and/or debris are known as

• Cilia
• Pleura
• Epiglotis
• Alveoli

When humans inhale, ____________ is taken into the bloodstream.

• Oxygen
• Carbon Monoxide
• Carbon Dioxide
• Helium

The pulmonary artery is a blood vessel that carries deoxygenated blood to the lungs.

• True
• False

Letter F is known as the

• Bronchiole
• Trachea
• Alveoli
• Bronchi