Rianna Mallorca - Circulatory System Puzzle
Across
- 2. thick middle layer of heart wall
- 3. larger arteries and veins that attach to the atria and ventricles and transport blood to and from the systemic circulatory system and the pulmonary circulatory system
- 4. receives oxygenated blood from the lungs via the pulmonary veins
- 7. located underneath the sternum in a thoracic compartment called the mediastinum, which occupies the space between the lungs
- 8. another name for left atrioventricular valve (or AV valve)
- 10. transports oxygen-depleted blood from the upper extremities
- 12. larger, elastic artery
- 13. the first and last name of the person who made this crossword puzzle
- 17. the thin, tendon-like cords that connect the AV valves to cone-shaped muscles that extend upward from the myocardium
- 19. covering inner surface of heart wall
- 20. cone-shaped muscles that extend upward from the myocardium
- 21. endocardium is made up of thin layers of
Down
- 1. blood passively flows into the ventricles from the atria through these
- 5. number of heart valves
- 6. the ventricles enter a period of relaxation
- 9. transports oxygen-depleted blood from lower extremities
- 11. receives deoxygenated blood from the body through veins
- 14. sequence of events that occur in the heart with each beat
- 15. another name for right atrioventricular valve (or AV valve)
- 16. their overlapping arrangements create alternating dark (A) and light (I) bands or striations (similar to skeletal muscle)
- 18. covers the outer surface of the heart