BIOD 151 MODULE 4 THE SKELETAL SYSTEM EXAM QUESTIONS GUIDE WITH PICTURES /ALREADY GRADED A

. Protects vital organs 2. Flat bones produce blood cells 3. Storage areas for inorganic calcium and phosphorus salts 4. Provide sites for attachment of muscles, tendons, and ligaments 5. Long bones permit flexible body movement 6. Large bones support the body against the pull of gravity (Protect, produce, store, provide, permit, support) 5 Types of Bones Long, flat, short, irregular, sesamoid Long Bones Long and thin; designed to support body weight and enable movement Ex: humerus, ulna, radius, tibia, fibula, metacarpals, metatarsals Flat Bones Bones of the skull, ribs, and breastbone Produce blood cells Short Bones Small and cubed shaped Ex: carpals in the hand and tarsals in the foot Irregular Bones Varied in structure with ridges or irregular surfaces Ex: vertebrae and pelvic bones Skull Forms a protective encasement for the brain Formed by 22 bones: the cranium (8 bones) and facial bones (14 bone) Rib Cage Provides protection for the heart and lungs Vertebrae Irregular bones designed to protect the spinal cord and enable spinal movements Pelvic Bones Ilium, ischium, pubi