| A | B |
|---|
| tiny air sacs in lungs | alveoli |
| What does your diaphragm do? | it's a muscle that moves up and down when you breathe |
| pathway of air from nose to lungs | trachea, bronchi, bronchioles, alveoli |
| voice box | larynx |
| use of oxygen and food to produce energy | respiration |
| oxygen is used to create _____ | energy |
| What do the hairs in the nose do? | filter and warm the air |
| epiglottis | flap of cartilage covering the windpipe |
| where exchange of oxygen and carbon dioxide take place | capillaries around the alveoli |
| What does the blood pick up in the air sacs? | oxygen |
| What are the waste products of respiration? | carbon dioxide, water |
| respiratory diseases | flu, cold, bronchitis, laryngitis |
| cilia | tiny hairs that clean the air you breathe |
| The alveoli have many tiny ______ surrounding them | capillaries |
| Why do you breathe heavy during excercise? | your blood needs more oxygen |
| When you inhale, your diaphragm moves ________ and your lungs _______. | down, expand |
| When you exhale, your diaphragm moves ______ and your lungs _______. | up, contract |
