Across
- 4. Hypoxia affects the
- 5. Main muscle in the cardiovascular system
- 7. Works with the cardiovascular system to supply oxygen to the body
- 8. Main organ in the respiratory system
- 9. Blood vessels that carry de-oxygenated blood back to the heart
Down
- 1. Pressurized blood vessels that carry oxygen-rich blood to the body tissues
- 2. Condition in which the skin becomes blue, commonly around lips and fingertips
- 3. Inadequate oxygen supply to the body tissues
- 6. True or False:any interference with the respiratory system effects the cardiovascular system