Anatomy & Physiology: Respiration Unit

1. Increased pressure is _______ pressure.
2. The vertebral column consists of these many sacral vertebrae.
4. This type of joint is the least mobile between two bones.
6. This type of volume is the amount of air remaining in the lungs after a forced exhalation.
10. The upper respiratory tract is composed of the nasal cavity, oral cavity, pharynx, and this.
11. A set of muscles that oppose movements.
16. The 3 classes of ribs are true ribs, false ribs, and these type of ribs.
17. The lower respiratory tract consists of the trachea, primary bronchi, and this.
18. The ______ girdle is skeletal support for upper extremities.
19. The cells are spread out in this type of tissue; most abundant type of tissue.
20. This type of lining covers the lungs and allows for smooth contact for rough lung tissue.
21. This type of tissue is very strong and elastic.
23. Ribs attach at the _____ spots.
24. This substance that is secreted inside the Type II pneumocyte reduces surface tension and gives lubrication.
25. This is composed of fused coccygeal vertebrae.

1. Blood flow to lung capillaries.
3. Air molecules will flow from areas of high concentration to areas of low concentration to maintain _______.
5. This vertebrae reflects the stress placed on these for lifting and walking.
7. These of the lungs are the most dense in the body.
8. This is the subdivision of the total amount of air the lungs can contain.
9. This type of pressure is the point of reference when discussing respiration.
12. This is also known as the "windpipe."
13. This is the exchange of gas between an organism and its environment.
14. Within the cervical vertebrae, the ____ rests and pivots on C2.
15. This leads to the digestive system and opens for food.
19. This is also known as the collar bone.
22. Conducting airways grow in diameter and length until the _____ reaches its adult size.