Anatomy and physiology revision

2. one of the structures in the upper respiratory system
5. muscle that contracts during voiding
7. reduces the surface tension in the alveoli
8. part of the conducting airways that are not involved in gas exchange
10. the primary function of the respiratory system (2 words, no space between words)
12. the urine forming organ
13. where the coronary arteries originate
14. a hormone that stimulates the bone marrow to produce RBC
16. blood flow is calculated based on the following way
17. cardiac valves open and close based on this
18. the transport system of the cardiovascular system
21. the inner most covering of the heart
23. the amount of air moved in and out of the lung with each normal breath (2 words, no space between words)
24. these structures contain valves to aid in the return of blood to the heart

1. the coronary arteries fill during ....
3. the second phase of urine formation (2 words, no space between word)
4. this structure secretes a small amount of fluid to reduce friction
5. main muscle involved in breathing
6. these stimulate other cardiac muscle cells (2 words, no space between words)
9. the term used to describe the contraction of the heart muscle
11. considered the functional unit of the kidney
15. one of the atrioventricular valves (2 words, no space between)
19. initiates the renin-angiotensin-adosterone pathway
20. the structure in the kidney that allows filtration of fluid and small molecules
22. this lung has 3 lobes