Across
- 2. ____ are tough fibrous cords of connective tissue that connect muscles to to the skeleton.
- 5. A system of muscles that allows breathing.
- 6. After air passes through the nasal cavity, it goes through the ____, which further filters the air and aids against infection.
- 8. When air enters through the nose, it passes through the ____, which filters, moistens, and warms the air.
- 9. ____ are small sacs at the end of each bronchiole and where oxygen enters into the bloodstream via the capillaries.
Down
- 1. ____ provide structural support for the body and protect vital organs.
- 2. Nasal cavity -> pharynx -> epiglottis -> ____ -> left and right bronchi -> lungs -> bronchioles -> alveolus -> capillaries
- 3. ____ are another type of connective tissue that that connect bones to other bones.
- 4. ____is found at the end off all bones, joints, in the nose, and in the ears.
- 7. ____ closes when swallowing to prevent food from going down the airway.