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- Circulatory system (8794 bytes)
2: ...art_crca.jpg|thumb|200px|Human Heart Clipart provided by [http://classroomclipart.com Classroom Clip A...
7: #Delivery of [[oxygen]] and [[nutrient]]s to all part...
8: #Collection of metabolic wastes and delivery to the excretory organs, e.g. [[kidney]]s.
9: #Role in the [[immune system]] of defense against [[infection]].
20: ... the four-chambered heart of birds evolved independently of that of mammals. - Abdomen (6929 bytes)
2: ...ining in the very front of the abdomen. Some consider the pelvis a separate section, but there is no s...
5: ...[[muscle]] is the outermost muscle covering the side of the abdomen. It is broad, flat, and irregularl...
7: ...y. It lies between the internal oblique and the underlying transversalis fascia. It originates from P...
9: ...bdominus is enclosed in a thick sheath formed, as described above, by fibers from each of the three mu...
15: ... [[venae cavae|inferior vena cava]] are also considered part of the abdomen, but are located in the pa... - Diaphragm (anatomy) (1536 bytes)
2: ... is critically important in [[respiration]]: in order to draw air into the lungs, the diaphragm contra...
7: ...ng breathing difficult. This is called "being winded" or "having the wind knocked out of you". In so...
9: ...ior vena cava]] (the ''Foramen Venae Cavae''), [[aorta]] (the ''Hiatus Aorticus'') and [[oesophagus]]. - Artery (6875 bytes)
3: ...known as the ''media''. This "middle layer" is made up of [[smooth muscle]] cells and elastic tissue....
9: ...ow, mean [[systemic]] pressures typically being under 100 mmHg, about 1.8 lbf/in², above surround...
11: ...rgic, other locally produced peptides, nitrous oxide, etc. (See epinephrine, norepinephrine, alpha and...
13: ...ssure, i.e. Systolic vs. Diastolic difference, is determined primarily by the amount of blood ejected ...
15: ...aturation increases and [[carbon dioxide]] levels decrease. [[Hemoglobin]] molecules within [[red blo... - 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: ...left ventricle then pumps the blood through the [[aorta]] to the entire body except the [[lung]]s. - Kidney (12846 bytes)
1: ...:29-08-07 08a.jpg|thumb|250px|Kidney Clipart provided by [http://classroomclipart.com Classroom Clip A...
7: ...] part of the [[abdomen]]. There is one on each side of the [[spine (anatomy)|spine]] just below the [...
9: ...ey usually lies slightly lower than the left in order to accommodate the [[liver]].
11: ...twelfth [[rib]]s, and each whole kidney is surrounded by two layers of fat (the perirenal fat and the ...
14: ===Structural details=== - Vertebral column (7072 bytes)
5: ...es are ''compensatory'' or ''secondary'', and are developed after [[birth]], the former when the [[chi...
7: ... convexity of the curve is directed to the left side.
17: ...nsverse processes stand backward, on a plane considerably behind that of the same processes in the cer...
21: ...he thoracic region. They present, in front, the sides of the bodies of the vertebrae, marked in the th...
25: ...cervical and lumbar regions; and is small and rounded in the thoracic region, where motion is more lim... - Adrenal gland (7544 bytes)
4: ...OOS2_339A.jpg|thumb|100px|Human Body Clipart provided by [http://classroomclipart.com Classroom Clip A...
11: ...noradrenaline, respectively). Medullary cells are derived from the [[embryo]]nic [[neural crest]] and,...
13: ...le effects of epinephrine and norepinephrine include increased [[heart rate]], [[vasoconstriction|bloo...
20: The cortex can be divided into three distinct layers of [[biological_tissu...
28: Pregnenolone can then be either dehydrogenated to [[progesterone]] or hydroxylated t... - Chest (3592 bytes)
2: ...ior vena cava]], [[inferior vena cava]], the shoulder socket containing the upper part of the [[humeru...
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... - 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 ... - Grasshopper (7846 bytes)
12: ... suborder of [[herbivorous]] [[insect]]s of the order [[Orthoptera]], commonly known as '''grasshopper...
14: This suborder includes many families of grasshoppers. Grasshoppers can ...
16: ...nt is referred to as hemimetabolous or incomplete development.
18: ...gment, and the [[ovipositor]] is short. Taxonomic descriptions of the families are more specific.
23: ...edient, or as a drinking snack. Many Koreans consider grasshoppers to be a health food. The preparatio... - Grasshoppers and Crickets (8917 bytes)
11: '''Superfamily''': [[Proscopioidea]]<br>
13: '''Superfamily''': [[Eumastacoidea]]
16: '''Superfamily''': [[Xyronotoidea]]
19: '''Superfamily''': [[Pampagoidea]]
21: '''Superfamily''': [[Pyrgomorphoidea]]
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