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The Human Organism

Chp 27 The Human Organism

1. Anatomy study of an organism's structure
2. Organ system unit of multiple organs that together perform a vital body function
3. Skeletal system Provides body support, protects certain organs such as the brain and lungs, and works with the muscular system in body movement
4. Digestive system ingest food, breaks it down into smaller chemical units for use by the body, and eliminates undigested material
5. Lymphatic system supports function of the circulatory system be returning fluid to blood vessels near the heart; also functions as part of the immune system
6. Epithelial tissue sheets of closely packed cells that cover the surface of the body and line the internal organs
7. Neuron nerve cell; basic unit of nervous tissue
8. Smooth muscle involuntary muscle found in most organs
9. interstitial fluid aqueous solution that fills the gaps between cells in a tissue
10. Dermis layer of skin beneath and supporting the epidermis, made up mostly of fibrous connective tissue that gives the skin its strength and elasticity
11. Cartilage type of connective tissue softer than bone
12. Pivot Joint enables one bone to rotate around another bone
13. arthritis group of skeletal disorders characterized by inflamed joints
14. physiology study of functions or processes in an organism (
15. Integumentary system outer covering that physically separates the body from the external environment
16. Circulatory System the heart and blood vessels. Together, they constantly transport blood throughout the body.
17. Endocrine System secretes hormones that affect the function of target cells and thereby regulates the activities of the other organ system
18. Reproductive system
19. Connective tissue groups of cells that hold together and support other tissues and cushion, insulate, and connect organs
20. Skeletal muscle voluntary muscle attached to the skeleton that allows movement of the body
21. Homeostasis internal stability or "steady state" maintained by the body
22. Epidermis outermost layer of skin
23. Hypodermis tissue layer beneath the dermis; contains adipose tissue, a connective tissue that includes fat-storing cells and blood vessels
24. Marrow specialized tissue found in bone; yellow bone marrow consists of stored fat that serves as an energy reserve; red bone marrow makes cells that develop into blood cells
25. Hinge Joint(knee or elbow which permits movement only in a single plane—a back and – forth type of movement
26. Osteoporosis disorder in which bones become thinner, more porous, and more easily broken
27. Organ unit consisting of several tissues that together perform a specific task
28. Muscular System enable body movement and facial expression essential to human communication
29. Respitory System exchange gases with the environment
30. Excretory System removes waste products from the body and regulate the chemical make of the blood
31. Immune System defends body against infections and cancer cells
32. Nervous tissue tissue that transmits signals in the body in response to changes in the environment
33. Cardiac muscle involuntary muscle that causes the heart to pump blood
34. Hormone signal molecule released into the bloodstream that triggers particular responses
35. Melanin pigmented protein that gives skin its color
36. Vertebra segment of the backbone; encloses and protects the nerve cord
37. Ball—and—Socket Joint(hip and shoulder) enables a bone to rotate and move back—and fort and side—to – side
38. Gliding Joint (wrist) enables to bend and flex wrist to put extra spin on the ball; allow small bone to slide gently over one another.
Created by: Kereece
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