Quiz on the Respiratory and Circulatory Systems

What is the primary reason why we breathe?

• To remove carbon dioxide

• To survive

• To produce sound

• To filter air

What is the function of the nasal cavity?

• To allow passage of air into the lungs

• To filter and warm the air

• To protect the lower respiratory tract

• To connect the mouth and nose to the esophagus

What is the common name for the pharynx?

• Throat

• Lungs

• Bronchi

• Windpipe

What does the larynx contain?

• Alveoli

• Vocal cords

• Blood vessels

• Nasal passages

What is another name for the trachea?

• Bronchioles

• Throat

• Windpipe

• Heart

What do bronchi connect?

• Nose to mouth

• Windpipe to lungs

• Heart to blood vessels

• Alveoli to capillaries

What is the main function of the lungs?

• To remove carbon dioxide and add oxygen

• To filter air

• To pump blood

• To produce sound

What is the primary function of the heart?

• To produce hormones

• To exchange gases

• To filter blood

• To pump blood throughout the body

What type of blood vessel carries blood towards the heart?

• Veins

• Arteries

• Alveoli

• Capillaries

What is the role of capillaries?

• To carry blood away from the heart

• To connect arteries and veins

• To pump blood

• To filter air