Respiratory System - Practice Quiz

What is the primary function of the human respiratory system?

• To digest food

• To exchange gases

• To control body temperature

• To circulate blood

What is NOT a part of the respiratory system?

• Pharynx

• Esophagus

• Trachea

• Bronchioles

What is the role of the alveoli in the respiratory system?

• To warm and humidify the air

• To filter the air

• To produce mucus

• To exchange gases

Which muscle is primarily responsible for helping to expand or contract the thoracic cavity?

• Abdominal muscles

• Diaphragm

• Intercostal muscles

• Biceps

What is the correct path of air through the respiratory system?

• Nasal cavity -> Pharynx -> Trachea -> Larynx -> Bronchioles

• Nasal cavity -> Trachea -> Pharynx -> Larynx -> Bronchioles

• Nasal cavity -> Larynx -> Pharynx -> Trachea -> Bronchioles

• Nasal cavity -> Pharynx -> Larynx -> Trachea -> Bronchioles

Which system works closely with the respiratory system to deliver oxygen throughout the body?

• Digestive system

• Circulatory system

• Muscular system

• Nervous system

Which tube does air travel through?

• trachea

• esophagus

The windpipe divides into a right one and a left one

• bronchioles

• arteries

• bronchi

• alveoli

Thousands of smaller branchings found in a bronchus

• bronchioles

• alveoli

• lungs

• arteries

Where does the respiratory system connect to the circulatory system?

• capillaries on bronchioles

• capillaries on alveoli

• capillaries on heart

• capillaries on bronchial tubes