Section 2

6. Sensore nerve endings in the dermis related to comunication
8. The study of the structure of the respiratory system
10. The largest bone in the leg
11. The condition in which a stable internal environment is maintained by the body
14. Exercise that involve little movement
15. The two thin walled upper chambers of the heart
17. Venae…The body’s largest vein
18. The study of The heart
20. Skin’s layer without blood vessels
21. Systemic related to the movement of blood through the parts of the body
23. refers to skin
24. Thic vertical wall that divides The chambers of the heart
25. The muscle that allow you to raise your arms oit to the side

1. Muscle that decrease the angle between the bones of a joint
2. Oily secretion which moisturizes the skin
3. The muscles that allow you to bend your arms: bíceps…
4. Amount of force that blood exerts on The walls
5. A dark-colored pigment responsible for skin coloring
7. The enlargemment of muscles through use
9. refers to muscle
12. The strong bands of connective tissue that join bones
13. Muscle that separates the thoracic and abdominal cavities in respiration
16. The body’s largest artery
19. The largest organ of the body
22. refers to heart