Respiratory System
Across
- 2. It divides into two main bronchi, each of which ends in a lung, and allows air to pass.
- 3. Exterior casing of the heart formed of an inner layer adhering to the myocardium and a thick fibrous outer layer.
- 7. It contains the vocal cords and plays a role in speech and respiration.
- 8. It helps the ingestion of food
- 9. It allows food to reach the stomach.
Down
- 1. Place where air inhaled through the nostrils is filtered and humidified
- 4. Movable cartilaginous plate ensuring that the larynx closes during ingestion of food so that food cannot enter the respiratory tract.
- 5. Section of the left lung separated from the lower lobe by the oblique fissure.
- 6. Main artery of the body that originates in the left ventricle of the heart and is made up of four segments
- 10. It enables breathing, ingestion of food and speech.