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- Middle Colonies (4101 bytes)
5: ...ere used to make soups and stews. Pies were made from gathered raspberries, strawberries, and cherrie...
7: ...ame from the roots of the madder herb; brown came from the hulls of black walnuts.
9: The average life expectancy on the frontier was 25 years old. Many children died of di...
11: ...r children reading skills and religious lessons. Basic arithmetic was the only other education.
13: ...and dancing was popular among both women and men. From time to time, acrobats, tightrope walkers, and ... - Industrial Revolution (30001 bytes)
1: ...ntury|18th]] and early [[19th century]] resulting from the replacement of an economy based on manual l...
3: ... merged into the [[Second Industrial Revolution]] from about [[1850]], when technological and economic...
7: ...erm industrial ''revolution'' was introduced by [[Friedrich Engels]] and [[Louis-Auguste Blanqui]] in ...
10: ...itain. The steam engine was created to pump water from coal mines, enabling them to be deepened]]effic...
12: ... occurred in Britain. In other nations, such as [[France]], markets were split up by local regions, wh... - Steel (28384 bytes)
2: [[Image:Steel framework.jpg|thumb|300px|Steel framework]]
3: ...s, which are naturally arranged in a [[lattice]], from sliding past one another. Varying the amount of...
8: ...rtant that smelting take place in a fairly oxygen-free environment. Unlike copper and tin, liquid iro...
11:
17: ...n this case, expansion occurs. Internal stresses from this expansion generally take the form of [[com... - Margaret Thatcher (46377 bytes)
27: ... was the [[Prime Minister of the United Kingdom]] from [[1979]] to [[1990]], the only woman [[as of 20...
29: ...y]] task force to retake the [[Falkland Islands]] from [[Argentina]] in the [[Falklands War]].
31: ...and]], and increased wealth inequalities. However from the mid 1980s a period of sustained economic gr...
33: ...d Monetary Union]]. Her leadership was challenged from within and she was forced to resign in [[1990]]...
36: ...hire]] in eastern [[England]]. Her father was [[Alfred Roberts]], who ran a grocers' shop in the town ... - Margaret Sanger (12025 bytes)
5: ...efore dying of [[tuberculosis]]. After graduating from [[Claverack College]] in [[Hudson, New York|Hud...
9: ...aper advocating birth control. She also separated from William Sanger. In 1916, Sanger opened a family...
11: ...s]] "[[Little Blue Books]]." It not only provided basic information about such topics as [[menstruation]]...
15: ...egate of the Birth Control Federation of America. From 1952 to 1959, she served as president of the In...
17: ...lable [[birth control pill]]. She toured Europe, Africa, and Asia, lecturing and helping to establish ... - Mary Cassatt (9047 bytes)
8: ...ued to resist her vocation, and paid only for her basic needs but not her art supplies. She returned to E...
14: ...nd absorb all I could of his art," she wrote to a friend. "It changed my life. I saw art then as I wan...
16: ...impressionist circle until [[1886]], she remained friends with Degas and [[Berthe Morisot]].
21: Her style evolved, and she moved away from impressionism to a simpler, straightforward app...
29: ...onetheless, she took up the cause of [[women's suffrage]], and in [[1915]], she showed 18 works in an ... - Ayn Rand (18001 bytes)
14: #That no one has the right to seek values from others by physical force, or impose ideas on ot...
19: ...to have been present when Ayn chose the name Rand from a typewriter.
22: ...an aspiring young actor, [[Frank O'Connor (actor)|Frank O'Connor]], who caught her eye. The two were m...
24: ...]] by Scalara Films, [[Rome]], despite resistance from the [[Italy|Italian]] government under [[Benito...
33: ... the infamous [[Red Scare]], Rand testified as a "friendly witness" before the [[House Committee on Un... - Joan of Arc (27453 bytes)
2: ...[16th century]], embraced as a cultural symbol in French patriotic circles since the [[19th century]],...
4: ...ponsible for a revitalization of [[Charles VII of France|Charles VII]]'s faction during the [[Hundred ...
7: ...[[Duke of Orl顮s]] and later of [[Charles VII of France|Charles VII]]). The groups were involved in a...
11: ...876]]) depicts Joan's awe upon receiving a vision from the [[archangel]] [[Michael (archangel)|Michael...
16: ...May 7]], the remaining English forces were pulled from their [[siege]] lines on [[May 8]]. The lifting... - Orchidaceae (20056 bytes)
16: ... language|Greek]] ''orchis'', meaning 'testicle', from the appearance of subterranean tuberoids in som...
23: ...restrial]] [[plant]]s, retrieving their nutrients from the soil. This group includes all [[Europe]]an ...
26: All orchids have these five basic features :
40: ...ctive mottle of the leaves of [[Lady's Slipper]]s from temperate zones (''[[Paphiopedilum]]'') is caus...
47: ..."one-footed") growth. The new shoots grow upwards from a single stem, originating in the end bud of th... - Botany (8977 bytes)
9: ...plant life can be studied at a variety of levels, from the [[molecular biology|molecular]], [[genetics...
20: ... [[agriculture]], and botany provides some of the basic science to understand how to minimize their impac...
22: ...[Gregor Mendel]] laid the foundations of genetics from his studies of plants.]]
25: ...eas|pea]] shape is inherited. What Mendel learned from studying plants has had far-reaching benefits o...
28: ...e from plants. Most [[alcoholic beverages]], come from [[fermentation|fermenting]] plants such as [[ho... - Testicle (6183 bytes)
3: ...c muscle relaxes and the testicle is lowered away from the warm body and are able to cool. This phenom...
5: ...olutionary development which protects each testis from hitting against the other.
19: .... The tubes are lined with a layer of cells that, from [[puberty]] into old-age, produce sperm cells. ...
30: ...?. Measurement in the living adult is done in two basic ways: (1) comparing the testicle with ellipsoids ...
48: ...or example, to produce a high-voiced [[castrato]] from the castration of a pre-[[puberty|pubescent]] b... - Circulatory system (8794 bytes)
6: Following are some basic functions of the human circulatory system:
22: All circulatory systems frequently employ [[countercurrent exchange]] system...
25: ...ll the cells of the flat worm. Oxygen can diffuse from water into the cells of the flatworm. Thus ever...
30: ...eries are [[blood vessel]]s that carry blood away from the heart. Veins are blood vessels that return...
35: ...se of [[carbon dioxide]] and the uptake of oxygen from the air. The now oxygenated blood returns to t... - Gastrointestinal tract (16596 bytes)
4: The GI tract differs substantially from animal to animal. For instance, some animals h...
10: == Basic anatomy of the human alimentary canal ==
45: ... of hollow organs joined in a long, twisting tube from the [[mouth]] to the [[anus]] (see figure). Ins...
59: ...ese waves of narrowing push the food and fluid in front of them through each hollow organ.
67: ...the small intestine and dissolved into the juices from the pancreas, liver, and intestine, the content... - Human brain (15406 bytes)
9: ...ody are similar in some ways to those of the most basic [[vertebrate]]s. Human [[consciousness]] involves...
19: ...d the [[circle of Willis]]. Blood is then drained from the brain through a [[brain sinuses|network of ...
21: ...he dense fluid protects the brain and spinal cord from shock; a brain that weighs 1,500 g in air weigh...
23: ...tes the soft tissues of the brain and spinal cord from the hard surrounding bones (skull and vertebrae...
25: ...dicine, [[childbirth]] was a dangerous event that frequently resulted in the death of the mother. The... - Kidney (12846 bytes)
3: ..., the kidneys filter wastes (especially [[urea]]) from the [[blood]] and excrete them, along with [[wa...
5: == Basic [[anatomy]] ==
13: ...idneys_from_behind.jpg|thumb|250px|Kidneys viewed from behind with spine removed]]
20: The basic functional unit of the kidney is the [[nephron]],...
22: ...corpuscle]]), and a [[renal tubule]] that extends from the renal corpuscle. - Mammary gland (2185 bytes)
1: [[Image:breast(mentor10).png|framed|In both males and females, the breasts are co...
4: The basic components of the mammary gland are the [[alveoli...
6: ...ier to visualize on dogs or cats, where there are from 3 to 5 pairs of nipples following the milk line... - Connective tissue (1646 bytes)
1: ...sive [[extracellular matrix]]. There are several basic types: - Body cavity (2315 bytes)
1: ... a lubricant allowing the visceral organs to move freely relative to one another.
3: ... cavity known as a coelom -- presumably inherited from a common ancestor. They are divided into two gr...
9: ...y, it is thought that the coelom may have evolved from gastric pouches ("stomachs" sort of) in [[cnida... - Ploidy (4598 bytes)
1: ...ls are diploid (containing one set of chromosomes from each parent), though sex cells ([[sperm]] and [...
13: ...mosomes), usually one from the [[mother]] and one from the [[father]]. Most [[somatic cell|somatic cel...
16: ...from unfertilized eggs, while the female develops from fertilized eggs: the sperm provides a second se...
18: Haplodiploidy is found in many species of insects from the order [[Hymenoptera]], particularly [[ant]]...
21: ...cation) is the process of creating a haploid cell from a diploid cell. This is a laboratory procedure... - Beehive (beekeeping) (7741 bytes)
4: ...ve.jpg|thumb|Traditional manufacture of ''skeps'' from [[straw]] in [[England]]]]
5: ... box hives of varying dimensions, with or without frames, and finally replaced by Langstroth equipment...
7: Honey from traditional hives was typically extracted by ''...
9: ''Skeps'' and other fixed-frame hives are no longer in wide use (and are illeg...
11: There are three basic styles of traditional beehive; Tile hives, Skeps ...
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