1. 3.1 Organ Systems Page 164-165

2. Cells There are over 300 different kinds of cells in the human body www.nature.com

3. Cell specialization 1.The contents of the cytoplasm nature.com

4. Cell specialization 2. Environmental conditions: -temperature -nutrients present/absent dogs-cats.wikia.com dogs-cats.wikia.com

5. Cell Specialization 3. The influence of neighbouring cells www.pnas.org

6. Abnormal cells Due to environmental toxins en.wikipedia.org

7. Tissues There are four kinds of tissues in the human body.

8. Tissue type #1: epithelial Covering protects our organs Lines body cavities Covers the surface of the body Forms a barrier

9. epithelial 1.Skin epithelia: thin, flat cells form sheets, semi-permeable barrier 2.Columnal epithelia: columns of cells, secrete mucus, cilia, absorb materials

10. Tissue type #2: Connective Provides strength, support, protects, binds, or connects tissues Holds various parts of the body together Examples: cartilage, bone, fat, blood

11. bone Calcium-hardened tissue surrounds cells www. educationportal.com

12. Fat (adipose tissue) Large, tightly packed cells Found under skin and around organs Energy storage, padding and insulation Kentsimmons.uwinnepeg.ca

13. Blood Red blood cells, white blood cells, platelets, plasma Transports nutrients, gases, wastes, chemicals, immune system Clots when the skin is cut

14. Tissue type #3: Muscle Sheets or bundles of muscle cells that contract to provide movement. Examples: smooth, cardiac, striated

15. Skeletal muscle Striated Attaches to bone Limbs, lower back www.siumed.edu

16. Smooth muscle Tapered at ends Blood vessel linings and lining internal organs Slow, sustained contractions kidsbrittanica.com

17. Cardiac Muscle Found in the heart britannica.com

18. Tissue type #4: Nervous Provides communication between all body structures.

19. Nervous tissue Finger-like projections Receive stimulus, send to brain/spinal cord, triggers response in muscle/gland

20. Stem cells An unspecialized cell that can produce a variety of specialized cells extremetech.com

21. Totipotent Embryonic cells can become any kind of cell

22. Pluripotent As the embryo develops the stem cells are able to give rise to less types of cells

23. Adult stem cells Produce only specific types of cells Skin cells repair skin.

24. Organs Composed of different types of tissues that work together to carry out particular functions. Examples include heart, stomach, kidneys

25. 3.2 Organs and Systems Medical Imaging Technology X-rays For hard tissue such as bone bassendeanwellness.com

26. X-ray machine Lead blanket to protect the organs

27. CT or CAT scan 3-D x-rays HeartBrain

28. CAT scan

29. Ultrasound High frequency sound waves Real-time Watching organ function

30. Ultrasound machine Cold jelly is applied to the body.

31. MRI magnetic resonance imaging Radio signals in a magnetic field Bleeding of the brain in a stroke

32. MRI No metal!

33. Endoscopy Tiny camera, light, surgical instruments attached to a flexible tube

34. Organ System Organs working together with other organs with related functions or structures. Examples: circulatory system, respiratory system, excretory system

35. Digestive system Performs the physical and chemical break- down of food

36. Circulatory system Transportation of nutrients, gases, and wastes, defense against infection.

37. Respiratory System Gas exchange

38. Reproductive Sexual reproduction

39. Excretory Removal of wastes

40. Muscular system Movement of body or body part

41. endocrine Coordination and chemical regulation of body activities.

42. nervous Response to environment, control of body activities.

43. Skeletal system 206 bones

44. Integumentary system Skin etc.