Skeletal and Muscular Flashcards
(52 cards)
Cranial Cavity
Head area
Spinal Cavity
Spine area
Thoracic Cavity
above diaphragm, heart and llungs
Abdominal Cavity
below diaphragm, digestive system
Muscular Tissue and EX
Cells that contract (skeletal, cardiac, and smooth muscle.)
Nervous tissue
Cells that Transmit messages (brain tissue)
Epithelial tissue
Epidermis
Connective tissue
bones, blood.
4 functions of Skeletal system
1.Support- keeps body upright
2.Protect Organs
3.Attachment site for muscles
4.Blood Cell Production
Compact bone
Covers surface of bone
Spongy bone
helps with flexibility and to help with weight, ends and center of the bone
Periosteum
Outer covering of bones, contains nerves and blood vessels
Ossifacation
Development of bones
1.Starts in cartilage- replaced by bone
2.Growth plate allows for longitudinal growth.
Osteons
Cylindrical structural units of bone, Includes Harversian and Volkman’s canals
Osteoblasts bone cell
Bone building cells
Ostecytes bone cells
mature bone cells trapped by secretion of matrix
Osteoclasts
Cells that digest bone matrix
Ligaments and injury
Bone to Bone, Sprain
Tendons and injury
Muscle to bone- strain
Hinge joints
knee and elbow
Pivot joints
head and neck
Angular, gliding or saddle joints
Wrists and ankles
Ball and socket joints
hip and shoulder
Bursae
fluid sacs that reduce friction and absorb shock