| A | B |
|---|
| Respiration | is a gaseous exchange between a living organism and its environment |
| What gases are exchanged in humans? | oxygen and carbon dioxide |
| Where does oxygen travel? | From the environment into the body |
| Where does carbon dioxide travel? | From the body into the environment |
| Where does the gas exchange happen in our body? | In the lungs |
| What does Respiration include? | Combining oxygen and food in the cells of the body |
| What 3 things does Respiration produce? | carbon dioxide, water, and energy |
| What is another name for external respiration? | breathing |
| How are carbon dioxide and oxygen transported between the lungs and body cells? | The blood |
| What is internal respiration? | Within the cells food + oxygen=carbon dioxide + water + energy |
| What blood cells carry oxygen to the cells? | Red blood cells |
