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chapter 7.1-7.4

holes anatomy skeletal system on structure development function

Why is it important to maintain blood calcium levels? Important to muscle contractions, nerve impulse conduction, blood clotting, and other physiological processes
Hematopoiesis process of blood formation
What are the four components of levers? a rigid bar/rod, a fulcrum/pivot on which the bar turns, an object that is moved against resistence, force that supplies energy to move the bar
Endrochondral Bones Begins as hyaline cartilage that are later replaced by bone tissues (fetus)
Intermembranous Bones originate between sheet-like layers of connective tissues that osteoblasts and osetoclasts
Periosteum outer covering of the entire bone; helps form and repair bone tissue
Central Canal contains smaller blood vessels and nerve fibers that communicate with the surface of the bone and the medullary cavity
Sesamoid Bone embedded within tendons adjacent to joints (patella)
Irregular Bones Usually connected to several other bones (vertebrae/backbone & many facial bones)
Flat Bones Plate-like structures with broad surface (ribs, scapulae, some bones of the skull)
Short Bones Cube-like; length/width roughly equal ( wrists & ankles)
Long Bones Long longitudinal axes & expanded ends (forearm & thigh bone)
Covers the Lungs Pleural
Covers the heart Pericardial
Covers the abdominal Peritoneal
What is the function of Red Marrow? formation of red blood cells (erythrocytes), white blood cells (leukosytes), and blood platelates
Created by: AnneG09