Human_anp_lab_6

Human_anp_lab_6 - by freely movable joints The paired...

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Introduction The axial skeleton consists of the 80 bones in the head and trunk of the human body. It is composed of five parts; the human skull , the ossicles of the middle ear, the hyoid bone of the throat, the rib cage , and the vertebral column . The axial skeleton and the appendicular skeleton together form the complete skeleton and the sternum . The skull is composed of two sets of bones. Those of the cranium enclose and protect the fragile brain tissue. The facial bones present the eyes in an anterior position and form the base for the facial muscles, which make it possible for is to present our feelings to the world. The appendicular skeleton is composed of the 126 bones of the appendages and the pectoral and pelvic girdles, which attach the limbs to the axial skeleton. Although the upper and lower limbs differ in their functions and mobility, they have the same fundamental plan with each limb composed of three major segments connected together
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Unformatted text preview: by freely movable joints. The paired pectoral, each consists of two bones, the anterior clavicle and the posterior scapula. The shoulder girdles function to attach the upper limbs to the axial skeleton, and provide attachment points for many trunk and neck muscles. Materials • Bones Methods The teaching assistant provided the unassigned pieces of bones to us. As a group we figured out the correct arrangement of the bones and showed it to the teaching assistant. He approved or rejected our specimen. Results Attached at the end. Discussion We were able to understand the overview of axial and appendicular skeleton. We got into detail with a box full of unattached or unassigned bones. Assigning the bones their correct place was very helpful as it gave us hand in experience with the bones....
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This note was uploaded on 05/12/2011 for the course BIOL 342 taught by Professor Nelson during the Spring '11 term at NM Highlands.

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Human_anp_lab_6 - by freely movable joints The paired...

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