Solution to the exercise: Airstream Mechanisms
| Airstream mechanism | Organ/Vocal tract | Way of air | Sound | Voiced(+)/ Unvoiced(-) |
| Pulmonic airstream mechnism | Lungs | Outwards, egressive airflow | Ejective/plosive | - |
| Glottalic airstream mechanism | Larynx | Inwards, ingressive airflow | Implosive | + |
| Velaric airtream mechanism | Tongue | Inwards, ingressive airflow | Click | + - (both) |