The Respiratory System

Gas exchange in the lungs occurs between which two structures?

• capillaries and bronchioles

• alveoli and capillaries

• alveoli and veins

• bronchi and alveoli

The flap of tissue that separates the trachea and the esophagus is called the

• Larynx

• Epiglottis

• Pharynx

• Esophagus

What are you doing when your diaphragm and rib muscles contract, and air enters the space created inside your chest cavity?

• Coughing

• Inhaling

• Ingesting

• Exhaling

Alveoli are surrounded by?

• Lymph Nodes

• Capillaries

• Veins

• Muscles

What structure of the respiratory system allows you to produce sound?

• Larynx

• Pharynx

• Trachea

• Nasal cavity

What is the name of the structure that carries air from the larynx to the bronchi?

• Bronchioles

• Alveoli

• Pharynx

• Trachea

_________ is the chemical process by which a body obtains and uses oxygen and gets rid of carbon dioxide and water.

• Breathing

• Respiration

• Exhalation

• Inhalation

One _______________ goes to each lung and branches into thousands of tiny tubes called bronchioles.

• Bronchus

• Larynx

• Pharynx

• Alvioli

During gas exchange in the lungs, oxygen moves from the _______________

• Capillaries into the alveoli

• Alveoli into the capillaries

• Alveoli into the lymphatic vessels

• Lymphatic vessels into the alveoli

Air moves into the lungs when the diaphragm muscle _______________

• Contracts and moves down

• Contracts and moves up

• Relaxes and moves down

• Relaxes and moves up