Study Guide 10 - Muscles, Bones, Nervous System, Senses ( Done ).docx

Study Guide 10 - Muscles, Bones, Nervous System, Senses ( Done ).docx

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Lesson 10 Study Guide (Musculoskeletal System, Nervous System, Sensory System) Musculoskeletal System Skeletons – protect and support the body, allow for movement. 3 types: 1. - fluid filled compartment within the body (coelom); hydrostatic pressure 2. Exoskeleton – consists of hard outer covering; muscles attach; must shed to grow. Made up of and/or . 3. Endoskeleton – hard mineralized structure within the soft tissue. Human Skeleton – 206 bones Axial (axis of the body) – support and protect the brain, spinal cord and organs of body cavity Appendicular Skeleton – bones of upper limbs, lower limbs, pectoral girdle, shoulder girdle. Know the locations of these bones: Axial Skeleton : Appendicular Skeleton: Skull Scapula Hyoid Clavicle Vertebral column Humerus Thoracic cage Ulna Sternum Radius Coccyx Carpals Sacrum Metacarpals Phalanges Coxal Bone Femur Patella Tibia Fibula Tarsals Metatarsals Bone tissue is living tissue Long Bones have a shaft and two ends. The shaft is called the and contains bone marrow. The (rounded ends) are covered with cartilage and filed with red bone marrow which produces . are the living cells of bone tissue and form the mineral matrix of bones.
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Compact bone (cortical bone) forms the hard external layer of all bones. It is made up of units called that contain living cells and mineral matrix. The Haversian canal contains the bone’s and . bone forms the inner layer of bones. It does not contain osteons, but is made of . Blood vessels within this tissue deliver and remove . Ossification is the process of by . Bone is made up of several cell types. The are responsible for bone formation. They synthesize and secrete organic and inorganic components of the matrix. These cells become trapped in the matrix and differentiate into . These Osteocytes are mature and do not divide. Osteoclasts bone tissue and release calcium from the bones tissue into the blood. Joints Sutures – joints in the skull held together by connective tissue. Synovial joints – greatest movement ex. knees, shoulders, elbows; These are filled with synovial fluid that lubricates the joint to reduce . The ends of the bones are covered with . What are the six types of synovial joints and where are they found?
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  • Spring '16
  • Christina Snaples

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