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Skeletal System Answer Key

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Functions of the Skeletal System
#1 Bones provide a supporting _________ Framework
#2 Bones protect internal_________ Organs
#3 Bones allow ___________ of your body (from here to there) Movement
#4 What is the function of red bone marrow? Provides the body with oxygen
#5 What is the function of yellow bone marrow? Fatty tissue, stores energy needed by the body, turns to red if the body needs it
Structure of the Skeletal System
#1 The skeletal system is divided into ____ main parts? 2
#2 What are the names of the 2 skeletal systems Axial/appendicular
#3 Name 2 bones in the axial skeleton skull, vertebrae, ribs
#4 A strong, flexible material that provides a smooth surface that makes movements at a joint smooth Cartilage
#5 The process of cartilage cells being replaced by bone cells and minerals Ossification
Types of Bones
#1 The 'Femur' would be considered what type of bone? Long
#2 The bones in your wrist and hands are what type of bones? Short
#3 The ribs and skull would be considered what type of bone? Flat
#4 Give an example of an irregular bone.....(In your back) Vertebrae
#5 What are the 3 names for the 'most common' types of vertebrae Cervical, Thoracic, Lumbar
Body Movement
#1 The point at which 2 bones meet A joint
#2 Give an example of a 'ball-and-socket' joint shoulder, hip, etc.
#3 Give an example of a 'hinge' joint knee, jaw, etc
#4 Your head turning on your spine is an example of what type of joint? Pivot joint
#5 Explain the defference between a ligament and a tendon....what they both attach to? Ligaments attach bone to bone, Tendons attach muscle to bone
Bone Fractures/ Diseases
#1 If your bone is 'protruding' through the skin, what type of fracture? Open
#2 If your bone is in 2 or more fragments, what type of fracture? Incomplete
#3 What is the main mineral that helps your bones grow/repair and helps prevent osteoporosis? Calcium
#4 A side-to-side curvature of the spine Scoliosis
#5 Inflammation of the softer inner surface of the bone Osteomyelitis
Final Question
How many vertebrae do you have in your cervical, thoracic, and lumbar regions? 24 ( 7 cervical, 12 thoracic, 5 thoracic)