Module 11: Bones, Muscles, Joints Flashcards
Osteoblasts
Cells that form new bone
Osteoclasts
Cells that breakdown bone
Red Marrow is in ___ Bones
Flat
Yellow Marrow is in ___ Bones
Long
Long Bones
bones that are longer than they are wide
Flat Bones
thin bones that are often curved, like ribs
Red Marrow
Highly vascularized hematopoietic stem cells
Yellow Marrow
Fat
Short Bones
Bones approximately equal in length, width, and thickness
Irregular Bones
bones like that of the face with no characteristic shape
Compact Bone
dense bone
Spongy Bone
cancellous bones that are light, soft, and spongy in nature filling the inner layer of most bones and forming the epiphyses of long bones
Compact Bones
cortical bones that are heavy, tough, and compact in nature making the outer layer of most bones and forming the diaphysis of long bones
Epiphysis
the end part of a long bone
Diaphysis
shaft or central part of a long bone
Epiphyseal Plate
The area of growth in a long bone (could be interrupted by circulation issues)
Muscles account for ___% of the bodys weight
40-50%
3 Types of Muscles
Cardiac
Smooth
Skeletal
Cardiac Muscle
tissue that involuntarily controls heart movements through specialized pacemaker cells
Smooth Muscle
Involuntary Muscle
Skeletal Muscle
Voluntary Muscle
Tendons
Stabilizers connecting muscle to bone
Ligament
Stabilizers connecting bone to bone
Cartilage
Gel pad between bones offsetting wear and tear and bone erosion