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  • FUN FACT: HUMANS HAVE 206 BONES

Bio powerpoint Bio powerpoint Presentation Transcript

  • The Skeletal System By Patricia Rojas and Carly Schwartz Image from:http://homes.bio.psu.edu/people/faculty/strauss/anatomy/skel/skeletal.htm
  • Function
    • Protects many organs
    • Forms the shape of the body
    • provide support for the body
    • Provides locomotion
    Overview: http://www.youtube.com/watch?v=C2dTbJDQ3u0&feature=related
  • Bone Structure
    • Made of calcium, phosphorous,and sodium
    • Types
      • Compact bone
      • Cancellous bones
    • Perostium
    • Bone marrow
    Image from: http://kidshealth.org/parent/fitness/general/bones_muscles_joints.html View slide
  • Haversian Canals
    • Within compact
      • bone
    • A long cylinder in which blood vessels flow
    • through
    Image from: http://www.bcb.uwc.ac.za/Sci_Ed/grade10/mammal/bone.htm View slide
  • Movement
    • Three types of joints
      • Hinge joints
      • Pivot joints
      • Ball-to-socket joints
  • How the system works!
    • cartilage -> thick strong
    • bones
    • Fastened together
    • by ligaments
    • Muscles move bones
    • attached by tendons
      • Connect at joints
    Image from: http://kidshealth.org/parent/fitness/general/bones_muscles_joints.html
  • How the system is regulated
    • Osteoblasts- makes new bones and repairs bones
    • Osteoclasts- sculpt and reshape bones
    • Osteocytes- sends signals to other cells
    Images from: http://www.womentowomen.com/bonehealth/natureofhealthybones.aspx
  • Interactions with other body systems
    • Muscular system
      • Movement
        • Contracting and relaxing
    • Skeletal muscles
      • Interact with bones
      • Hold skeleton together
    Image from: http://www.free-ed.net/sweethaven/science/biology/anatomyphysiol/Human01_LessonMain.asp?iNum=0402
  • Interactions with other body systems
    • Circulatory system
      • Bone marrow makes white and red blood cells
      • Blood cells travel through bones
      • Blood=oxygen and nutrients to bones
      • Ribs protect lung and heart
  • Osteosarcoma
    • Causes:
      • DNA mutation
      • radiation therapy
    • Common in children and men
    • Treatments:
      • Surgery, chemotherapy,
        • radiation therapy, cryosurgery
    Image from: http://www.mayoclinic.org/osteosarcoma/treatment.html
  • Works Cited
    • Aspects of the Skeletal System. N.d. Skeletal System. N.p., n.d. Web. 10 May 2010.
    • <http://homes.bio.psu.edu/people/faculty/strauss/anatomy/skel/skeletal.htm>.
    • Bone. N.p., n.d. Web. 10 May 2010. <http://www.bcb.uwc.ac.za/Sci_Ed/grade10/mammal/bone.htm>.
    • &quot;Bone.&quot; Sunny Downstate Medical Center. N.p., 5 Mar. 2008. Web. 10 May 2010.
    • &quot;Bone Cancer.&quot; University of Virginia. N.p., 2010. Web. 10 May 2010. <http://uvahealth.com/
    • services/cancer-center/conditions-treatments/12008/?searchterm=osteosarcoma>.
    • &quot;Bone Cancer: Questions and Answers.&quot; National Cancer Insistute. N.p., n.d. Web. 10 May 2010.
    • <http://www.cancer.gov/cancertopics/factsheet/Sites-Types/bone>.
    • &quot;Bone Marrow Disorders.&quot; Lab Tests Online. N.p., 6 Mar. 2010. Web. 10 May 2010.
    • <http://www.labtestsonline.org/understanding/conditions/bone_marrow_disorders.html>.
    • &quot;Bones, Muscles, and Joints.&quot; Kid's Health. Nemours, 2010. Web. 10 May 2010.
    • <http://kidshealth.org/parent/fitness/general/bones_muscles_joints.html>.
    • &quot;Osteocytes.&quot; Bone Bionengineering Laboratory. Columbia U, n.d. Web. 10 May 2010.
    • <http://boneserver1.bme.columbia.edu/research/Osteocytes.htm>.
    • Structure of Skeletal Muscle. N.d. Structure of Skeletal Muscle. SweetHaven Publishing Services,
    • 2005. Web. 10 May 2010. <http://www.free-ed.net/sweethaven/science/biology/anatomyphysiol/
    • Human01_LessonMain.asp?iNum=0402>.
  • Works Cited
    • Bonewald, Lynda F., et al. Osteoblast and Osteocyte Responses to Fluid Flow. National Institue of
    • Health Grants, n.d. Web. 10 May 2010.
    • Brown, Susan E. &quot;How Bones Work: The Nature of Healthy Bone.&quot; Women to Women. Accredited Business,
    • 16 Feb. 2010. Web. 10 May 2010. <http://www.womentowomen.com/bonehealth/
    • natureofhealthybones.aspx>.
    • Campbell, Neil A., et al., eds. Biology: Concepts and Connections. 6th ed. San Francisco : Pearson
    • Benjamin Cummings, n.d. Print.
    • The Free Dictionary. Farlex, 2010. Web. 10 May 2010.
    • <http://medical-dictionary.thefreedictionary.com/>.
    • Lawson, Simone. &quot;What Is a Haversian Canal?&quot; Wise Geek. N.p., 2010. Web. 10 May 2010.
    • <http://www.wisegeek.com/what-is-a-haversian-canal.htm>.
    • Musculoskeletal System. Youtube. N.p., 8 Sept. 2008. Web. 10 May 2010. <http://www.youtube.com/
    • watch?v=C2dTbJDQ3u0&feature=related>.
    • &quot;Osteocytes.&quot; Bone Bionengineering Laboratory. Columbia U, n.d. Web. 10 May 2010.
    • <http://boneserver1.bme.columbia.edu/research/Osteocytes.htm>.
    • Osteosarcoma. N.d. Mayo Clinic. Mayo Foundation for Medical Education and
    • Research, 2010. Web. 10 May 2010. <http://www.mayoclinic.org/
    • osteosarcoma/treatment.html>.