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chapter 7.1-7.4
holes anatomy skeletal system on structure development function
Question | Answer |
---|---|
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 |