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BIO

chapter 7

QuestionAnswer
List 2 components of compact or dense bone Rigid appears white Makes up approx. 80% of bone
List 2 components of spongy or cancellous bone Found in the middle and ends of the long bones Makes up 20% of bone
What are ligaments and tendons? Dense regular connective tissue
What are the two types of cartilage? Hyaline & Fibrocartilage
What are 3 components of Hyaline ? (1/2 types of cartilage) Attaches ribs to sternum Covers the ends of some long bones Found in the growth plates of long bones
What are 3 components of Fibrocartilage ? (2/2 types of cartilage) Weight bearing cartilage Intervertebral discs Pubic symphysis
Where can "Hyaline" be found ? Found in the growth plates of long bones
Why is "Protection" important for bone function? Protect valuable organs from injury and trauma Ex: Ribs, Skull, Vertebrae, Pelvis
What does "Support" provide in bone function? Provides structural support for the whole body Ex: Appendicular and axial skeleton
What are Levers for movement in bone function? Bones serve as the attachment point for muscles other soft tissue and organs. The muscles pulling on the bone cause the skeleton to move these movements can be large as in walking or small as in picking a splinter out of your finger
Hematopoiesis The major blood forming region in the body is in the marrow of long bones
Mineral and energy storage is the storage site for ______ & __________ Calcium and Phosphate
Why is calcium needed for bone function? Calcium is needed for muscle movement, blood clotting, and release of neurotransmitter from neurons
Name 3 components of Phosphate ATP, other nucleotides, and phospholipids
What are Osteoprogenitor cells ? Stem cells derived from embryonic mesenchyme Located in the periosteum and endosteum
What is an Osteoblast? Daughter cell of an osteoprogenitor cell Metabolically active in secreting osteoid as semisolid organic matrix -osteoid calcifies to form bone
What does the Central canal contain? Blood vessels and nerves
Created by: Amercado
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