Respiratory System Set 2

Which of the following is responsible for carrying air into each lung?

• Oesophagus

• Bronchi

• Arteries

• Veins

The respiratory system helps regulate the body's blood pH.

• True

• False

What is the main passageway for air to enter the body?

• Mouth

• Nose

• Ears

• Eyes

True or False: The lungs are located in the abdominal cavity.

• True

• False

Which structure divides into smaller tubes called bronchi?

• Trachea

• Oesophagus

• Diaphragm

• Larynx

True or False: The left lung is smaller than the right lung.

• True

• False

What is the function of cilia in the respiratory tract?

• Absorb oxygen

• Move mucus and trapped particles out

• Produce hormones

• Pump blood

True or False: The alveoli have thick walls to prevent gas exchange.

• True

• False

Which of the following best describes the process of inhalation?

• Air leaves the lungs

• Diaphragm relaxes

• Lungs fill with air

• Chest cavity gets smaller

The larynx is located above the trachea.

• True

• False