1) Which of the following are the tiny hairs that filter the air that is inhaled, or breathed into the body?
 A: Alveoli
 B: Cilia
 C: Bronchioles
 D: Bronchi
 2) Which of the following is referred to as the windpipe, which the inhaled air travels through to reach the lungs?
 A: Trachea
 B: Diaphragm
 C: Bronchi
 D: Cilia
 3) Which of the following parts of the lungs allows air to be exchanged and then sent to the heart for distribution to the cells of the body?
 A: Bronchi and bronchioles
 B: Cilia and trachea
 C: Alveoli and capillaries
 D: Larynx and windpipe
 4) Which of the following is another term for the voice box, which has vocal cords that vibrate when a person speaks?
 A: Trachea
 B: Throat
 C: Diaphragm
 D: Larynx
 5) Which of the following are the tubes that enter the left lung and right lung, branching off from the trachea?
 A: Bronchi
 B: Bronchioles
 C: Alveoli
 D: Capillaries
 6) Which of the following is the correct sequence for the air that travels from the nose or mouth, and eventually sending oxygen throughout the body?
 A: Trachea, bronchioles, bronchi, alveoli, capillaries
 B: Trachea, bronchi, bronchioles, alveoli, capillaries
 C: Trachea, alveoli, capillaries, bronchi, bronchioles
 D: Trachea, larynx, bronchi, bronchioles, alveoli