The document provides information about the human body's integumentary, skeletal, and muscular systems. It describes the structure and functions of skin, bones, joints, and muscles. Key points include that skin is the body's largest organ, bones provide structure and store minerals, and muscles work in opposing pairs to enable movement when contracted or relaxed.

1. HUMAN BODY CH. 34 - 39

5. Layers of Skin

11. Feedback Loop Internal Body Temperature Changes Blood vessels dilate Blood vessels constrict Blood flow increases Blood flow decreases Blood loses heat Blood keeps in heat Internal Body Temperature Normalizes + -

14. Healing of a Cut Before Cut in skin Blood pools, creating scab Skin cells regenerate from bottom up

16. 1 st Degree Burn

17. 2 nd Degree Burn

18. 3 rd Degree Burn

20. Axial vs. Appendicular Skeleton

22. Types of Joints Found in Human

23. Types of Joints Found in Human

28. JOINTS TENDON BONE CARTILAGE LIGAMENT JOINT MUSCLE

31. Types of Bone

34. Osteoblasts to Osteocytes osteoblast osteocyte collagen + + & Calcium ions

35. Bone

36. Osteocytes

40. Fracture Types

41. Fracture Types

43. Muscle Types

44. Muscle Types

49. Opposing Muscle Pairs Muscle Contracted Muscle Relaxed

50. Muscle Names

55. Sliding Filament Theory Contracted Sarcomere

56. Yellow = actin (thin) Pink = myosin (thick) Black = Z disk

60. Lactic Acid Build Up (During Vigorous Exercise)