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Lecture 13

KINESIOL 1A03 Lecture Notes - Lecture 13: Bone Marrow, Bone, Osteocyte


Department
Kinesiology
Course Code
KINESIOL 1A03
Professor
Krista Howarth
Lecture
13

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Chapter 6
Skeletal System:
Bones and Bone Tissue
next weeks test
hearing after inner
balance
ANS
Bone physiology
skeletal system

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Skeletal System Functions
1. Support. Bone is hard and rigid.
Cartilage is flexible yet strong.
Ligaments - bone to bone
2. Protection. Skull around brain; ribs, sternum,
vertebrae protect organs of thoracic
cavity
3. Movement. Produced by muscles on bones,
via tendons.
4. Storage. Ca and P. Stored then released as
needed. Fat stored in marrow
cavities
5. Blood cell production. Bone marrow that
gives rise to blood cells and platelets

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Cartilage
Firm, smooth, resilient,
non-vascular
connective tissue
Cartilage cells & matrix
(70-85% water, protein,
ground substance)
Hyaline, Elastic and
Fibrocartilage
During development,
repair – bone develops
from cartilage
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