Respiratory system
Across
- 1. a respiratory condition marked by spasms in the bronchi of the lungs, causing difficulty in breathing.
- 4. a partition separating two chambers, such as that between the nostrils or the chambers of the heart.
- 7. alimentary canal that connects the throat to the stomach
- 8. take air into the lungs and then expel it
Down
- 1. the invisible gaseous substance surrounding the earth
- 2. a slimy substance, typically not miscible with water, secreted by mucous membranes and glands for lubrication
- 3. each of the pair of organs situated within the rib cage
- 5. breathe out.
- 6. relating to or affecting respiration or the organs of respiration.