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BIOL227 Lab Exam #2; Questions and Answers 100% Correct

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BIOL227 Lab Exam #2; Questions and Answers 100% Correct 206 Answer-How many bones are in the human body? hyaline and fibrocartilage Answer-what types of cartilage are in the body long, short, flat, irregular Answer-4 major groups of bone long bones Answer-longer than they are wide (humerus) ...

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  • August 8, 2024
  • 28
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Bio 227
  • Bio 227

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BIOL227 Lab Exam #2; Questions and Answers
100% Correct
206 Answer-How many bones are in the human body?




hyaline and fibrocartilage Answer-what types of cartilage are in the body




long, short, flat, irregular Answer-4 major groups of bone




long bones Answer-longer than they are wide (humerus)




short bones Answer-cube shaped bones of the wrist and ankle




flat bones Answer-These bones are thin, flat, and curved. They form the ribs, breastbone,
and skull.




irregular bones Answer-vertebrae




bone markings Answer-reveal where muscles, tendons, and ligaments were attached and
where blood vessels and nerves passed

3 main categories: projections, articulations, depressions/ openings




Projection (bone marking) Answer-outward bulge of bone where where muscles and
ligaments attach

, BIOL227 Lab Exam #2; Questions and Answers
100% Correct

Articulating surfaces Answer-2 bones meet at a joint. These include Condyle, Facet, Head,
and Trochlea




depressions and openings Answer-allow the passage of blood vessels and nerves; form
joints




inorganic calcium salts, organic collagen fibers Answer-The hardness of bone comes from
__________, whereas __________ provide(s) some degree of flexibility.




osteoprogenitor cells Answer-stem cells derived from mesenchyme




osteoblast Answer-bone-forming cell




osteocyte Answer-a bone cell, formed when an osteoblast becomes embedded in the
matrix it has secreted.




osteoclast Answer-bone cell that absorbs and removes unwanted bony tissue




Ossification Answer-process of bone formation

, BIOL227 Lab Exam #2; Questions and Answers
100% Correct
endochondral ossification Answer-process in which bone forms by replacing hyaline
cartilage (bones inferior to skull)




intramembranous ossification Answer-process by which bone forms directly from
mesenchymal tissue (Produces flat bones of skull and clavicle)




epiphyseal plate/growth plate Answer-Where does new bone formation take place in
growing long bones?




5 zones of bone growth Answer-resting zone, proliferation zone, hypertrophic zone,
calcification zone, ossification zone




medullary cavity Answer-cavity within the shaft of the long bones filled with bone
marrow




proximal epiphysis Answer-end of the bone closest to the trunk of the body




distal epiphysis Answer-end of the bone farthest from the trunk of the body




Diaphysis Answer-shaft of a long bone

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