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- Human skeleton (3903 bytes)
2: The '''human skeleton''' is made of [[bone]]s, some of them joined together, suppo...
4: ...ones that fuse together during growth. These include the bones in the [[skull]] and the [[spine (anato...
6: There are 6 bones (three on each side) in the [[middle ear]] that articulate only with ...
11: ...sary for protection of [[vital organ]]s and is needed by the [[muscle|muscles]] for movement.
14: ... head and neck, the [[vertebrae]], [[ribs]] and [[sternum]]. The appendicular skeleton consists of the [[cl... - Heart (10132 bytes)
1: ...Image:Heart_crca.jpg|thumb|right|230px|Image provided by [http://classroomclipart.com Classroom Clip A...
3: ... language|Greek]] ''kardia'' (καρδια) for "heart".
7: ... a sac known as the [[pericardium]] and is surrounded by the [[lung]]s. In adults, it weighs about 300...
9: A thick muscular wall, the [[septum]], divides the right atrium and ventricle from the left atr...
15: ...takes places and the blood releases [[carbon dioxide]] into the lung cavity and picks up [[oxygen]]. T... - Clavicle (459 bytes)
1: ...'' is a [[bone]] that makes up part of the [[shoulder]] girdle.
3: ...he [[scapula]], laterally. It is part of the shoulder girdle and together with the [[scapula]], allows... - Rib (1848 bytes)
4: ...chest: fused-on remnants of ribs can be traced in development in neck vertebrae and sacral vertebrae. ...
8: ...remnant of the 7th neck vertebra on one or both sides is replaced by a free extra rib called a ''cervi...
10: ...is false, and originates from the ''[[Bible]]'s'' description of the creation of [[Adam and Eve|Eve]] ... - Chest (3592 bytes)
2: ... [[nipple]], [[scapula]], [[pulmonary artery]], [[sternum]], [[xiphoid process]], thoracic portion of the s...
12: ..., or thoracic trauma) results in up to 1/4 of all deaths due to trauma in the United States {{fn|1}}.
17: ...artilage]] begins, and over this there is often a depression popularly known as the pit of the [[stoma...
19: ...lary line laterally. The female nipple is surrounded for half an inch by a more or less pigmented dis... - Axial skeleton (863 bytes)
1: ...l]], the bony [[thorax]] (i.e. the [[ribs]] and [[sternum]]), and the [[vertebral column]]. The axial skel...
4: ...keletons of humans; however, it is important to understand the [[evolution]]ary lineage of the axial s... - Archaeopteryx (8771 bytes)
2: ...:Archaeopteryx-model.jpg|250px|]] | caption = A model of ''Archaeopteryx lithographica''<br/> on displ...
17: ...[The Origin of Species]]'' set off a firestorm of debate about [[evolution]] and the role of [[transit...
27: ...|200px|left|Illustration of a Archaeopteryx, provided by [http://classroomclipart.com Classroom Clipar...
28: ...tures) lineage of which eventually gave rise to modern birds.
30: ...arently earlier bird, ''[[Protoavis]]'', are considered to be unproven by most [[paleontologist]]s. - Thymus (6028 bytes)
5: ...n the margin of the medulla, click image for more details.]]
8: ...fat]]. The thymus plays an important role in the development of the [[immune system]] in early life, ...
16: ...it weighs about 35 grams; after this it gradually decreases to 25 grams at twenty-five years, less tha...
18: ==Development==
19: ...dditional portions of thymus tissue are sometimes developed from the fourth branchial pouches. Thymus ... - Condor (7828 bytes)
18: ...n Condor''' (''Vultur gryphus'') inhabits the [[Andes]] mountains. The '''California Condor''' (''Gymn...
22: [[Image:Colca_Canyon_Condor.jpg|thumb|250px|An Andean condor soars over southern [[Peru]]'s [[Colca C...
24: ...f dehydration and ultraviolet light at high altitudes, and are meticulously kept clean by the bird. Th...
26: ...reatly elongated, and the hinder one but slightly developed, while the talons of all the toes are comp...
30: ...gg is laid to take its place. Researchers and breeders take advantage of this behavior to double the r... - Scorpion (12441 bytes)
11: ...brate]] animal with eight legs belonging to the order ''Scorpiones'' in the class [[Arachnida]].
14: The scorpion body is divided into 2 main segments the cephalothroax and the a...
20: ...e which holds a pair of venom glands, and the hypodermic aculeus, the barb used to inject the venom. ...
26: ...ger (tarsus). The size of the pedipalps is highly dependant on the species, however a general trend is...
28: ...usands of chemosensors that allow the scorpion to detect minute chemical signals in their environment;... - Lymph node (1746 bytes)
2: '''Lymph nodes''' are components of the [[lymphatic system]].
3: ... produce a characteristic swelling of the lymph nodes.
7: ==Lymph nodes of the head and neck==
12: These nodes, both superficial and deep, lie above and beneath the [[sternocleidomasto...
16: These nodes extend in a line posterior to the sternocleidoma... - List of bones of the human skeleton (3047 bytes)
27: ''In the [[shoulder]] girdle (4):''
29: *'''29.''' [[scapula]] or shoulder blade (2)
31: *'''10.''' [[sternum]] - Anteater (6362 bytes)
1: ...t and termite mounds and for defense, while their dense and long fur protects them from attacks from t...
4: ...ampy savannas, along the banks of rivers, and the depths of the humid forests, but is nowhere abundant...
6: ...rial insects. To avoid the jaws, sting, and other defences of the invertebrates, anteaters have adopte...
8: ... sand and dirt. [6] The tongue is attached to the sternum and moves very quickly, flicking 150 times per mi...
9: ....jpg|thumb|350px|right|Anteater Illustration provided by [http://classroomclipart.com Classroom Clip A... - Korea Jindo Dog (7529 bytes)
2: {| border=1 cellspacing=0 align=right cellpadding=2
27: ...e.com/search?q=cache:kLrjxpSl7cYJ:www.fci.be/uploaded_files/334A2003_en.doc+site:www.fci.be+%22334+/+2...
31: ...Jindo Island]]. Although relatively unknown outside Korea, it is celebrated in its native land.
35: ...ile the latter is more slender with somewhat less depth of chest and a slightly longer loin, resulting...
36: ...allow oval shape in front of the forelegs but the sternum should not be excessively pointed. - Crab (3174 bytes)
8: {{Taxobox_ordo_entry | taxon =[[Decapoda]] }}
19: ...ir of [[pereiopod]]s (walking legs) is hidden inside the [[carapace]] and so only four pairs are visib...
22: ...land. Although famed for their tendency to walk sideways, crabs are in fact able to walk in any direct...
24: ... the [[Thoracotremata]], the gonopores are on the sternum in both males and females. - California Condors (7528 bytes)
18: ...n Condor''' (''Vultur gryphus'') inhabits the [[Andes]] mountains. The '''California Condor''' (''Gymn...
22: [[Image:Colca_Canyon_Condor.jpg|thumb|250px|An Andean condor soars over southern [[Peru]]'s [[Colca C...
24: ...f dehydration and ultraviolet light at high altitudes, and are meticulously kept clean by the bird. Th...
26: ...reatly elongated, and the hinder one but slightly developed, while the talons of all the toes are comp...
30: ...gg is laid to take its place. Researchers and breeders take advantage of this behavior to double the r... - Condors (7527 bytes)
18: ...n Condor''' (''Vultur gryphus'') inhabits the [[Andes]] mountains. The '''California Condor''' (''Gymn...
22: [[Image:Colca_Canyon_Condor.jpg|thumb|250px|An Andean condor soars over southern [[Peru]]'s [[Colca C...
24: ...f dehydration and ultraviolet light at high altitudes, and are meticulously kept clean by the bird. Th...
26: ...reatly elongated, and the hinder one but slightly developed, while the talons of all the toes are comp...
30: ...gg is laid to take its place. Researchers and breeders take advantage of this behavior to double the r...
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