Respiratory System

123456789
Across
  1. 3. The lungs have different _____ in each of them. 3 in the right and 2 in the left.
  2. 5. The branches of bronchi.
  3. 6. The dome-shaped muscle beneath the lungs that helps facilitates the exhalation and inhalation.
  4. 7. The singular form of bronchi
  5. 8. A process that equips human to take oxygen and release carbon dioxide.
Down
  1. 1. The tiny hairs that help filter the dirt and dust in our trachea and cilia.
  2. 2. A disease that happens in our lungs, attacking the air sacs.
  3. 4. The air sacs that helps the process of gas exchange.
  4. 9. The tube that connects the nose to the lungs.