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- Gastrointestinal tract (16596 bytes)
2: ...ar animals]] which takes in [[food]], [[digest]]s it to extract energy and nutrients, and expels the r...
13: *[[Mouth]] (buccal cavity; includes [[salivary glands]], [[mucosa]], [[tooth|teeth]] and [[ton...
21: ...ith the [[ilium]], or hipbone). The ileum joins with the cecum at the [[ileocecal junction]]
24: ***'''[[colon (anatomy)|colon]]''' with :
39: ...n protein, by the enzymes present in the stomach. It then passes to the [[small intestine]] where furt... - Digestion (4206 bytes)
1: ...gestion''' is the process whereby a biological entity processes a substance, in order to [[chemistry|c...
9: ...mes with [[digestive fluid]] to further decompose it chemically. As the [[pH|acidic level]] changes in...
11: ...these bile pigments are eliminated from the body with the feces). Most nutrient absorption takes place...
20: ...y food arriving in stomach. The secretion is inhibited by low [[pH]] .
21: ... the [[liver]]. This hormone responds to the acidity of the chyme. - Salivary gland (1370 bytes)
1: ...d other parts of the [[digestive system]] moist. It also helps break down food and lubricates the pas...
3: There are three main pairs of salivary glands: the [[parotid gland|parotid]], the [[su...
6: ... [[epithelial cell]]s in salivary glands produce either mucous, or serous secretions. The sublingual g...
9: There are three salivary glands:
10: ...ext to, -otid = ear''), and is the largest of the salivary glands. - Tooth (14790 bytes)
9: ...[[tooth enamel|enamel]], that helps to prevent cavities on the teeth.
11: ...lopment in a species is called the species' [[dentition]]. [[Dentistry|Dentists]] sometimes refer to ...
29: ...d since meat is easy to digest, they can swallow without the need for molars to chew the food well.
35: ... This stage is known as [[teething]] and can be quite painful for an infant. Human children have 20 mi...
42: ...mplete prevention of decay may require treatment with [[dental sealants]]. - Influenza (10335 bytes)
1: ...s being instances of influenza), see [[gastroenteritis]].}}
3: '''Influenza''' (or as it is commonly known, '''the flu''' or '''the grippe...
4: ...n the form of health care costs and lost productivity. Major genetic changes in the virus have caused ...
12: ...rgo [[antigenic drift]] and have more similarity with previous strains.
18: ... [[pandemic]]s. There is no exact scientific definition of a superflu. - Australian Aboriginal art (4187 bytes)
1: ...art]] by Aborigines based on traditional culture. It is not restricted to merely paintings, but includ...
3: ... Aboriginal culture. Artwork was used to mark territory, record history, and tell stories. Rare ochres...
7: ...rk]] [[eucalyptus|gum]]). Tools used included primitive [[brush]]es, [[stick]]s, [[finger]]s and even ...
9: ... designs of straight lines, circles and spirals, with the occasional zig zag persist throughout the wo...
13: ...re, the bark is flattened under foot and weighed with stones or logs to dry flat. The "canvas" is then... - Mosquito (10897 bytes)
1: {{Taxobox_begin | color = pink | name = Mosquitoes}}<br />{{StatusSecure}}
2: ...obox_image | image = [[Image:AnophelesGambiaemosquito.jpg|200px|Anopheles gambiae]] | caption = ''Anop...
15: ....5 [[km/h]] (0.9 to 1.6 [[mph]]). Mosquitoes have been around for 170 million years.
19: ...term "mosquito" was adopted to prevent confusion with the [[house fly]].
21: ...oes breed), and the use of repellants, such as [[citronella]] candles. - Opossum (4544 bytes)
1: ... early [[Paleocene]]. A sister group is the [[Paucituberculata]], or shrew opossums.
3: ...arrow [[cranium|braincase]], and a prominent [[sagittal crest]]. The [[dental formula]] (one side of ...
5: ...erately [[sexual dimorphism|sexually dimorphic]] with [[male]]s usually being somewhat larger than [[f...
7: ...settled times. Originally native to the Eastern United States, opossums were intentionally introduced ...
11: ...l will regain consciousness and escape quietly on its own. - Anteater (6362 bytes)
1: ... large, curved foreclaws to tear open ant and termite mounds and for defense, while their dense and lo...
4: It is extensively distributed in the tropical parts ...
6: ...sume the thousands of insects it needs to satisfy its caloric requirements. [6]
8: ...o hold the insects together with large amounts of saliva. Swallowing and the movement of the tongue are ai...
10: ...al America. The usual colour is yellowish-white, with a broad black lateral band, covering nearly the ... - Sulfur (18059 bytes)
10: {{Elementbox_density_gpcm3nrt | (alpha) 2.08 }}
11: {{Elementbox_density_gpcm3nrt | (beta) 1.96 }}
12: {{Elementbox_density_gpcm3nrt | (gamma) 1.92 }}
13: {{Elementbox_densityliq_gpcm3mp | 1.819 }}
18: {{Elementbox_heatcapacity_jpmolkat25 | 22.75 }} - Gila monster (2189 bytes)
15: ...m]] (2 [[foot (unit of length)|feet]]) long. Its skin has the appearance of [[bead]]s in the [[co...
17: ...put as much of the poison into the bloodstream of its victim as possible.
19: ...e no reliable reports of fatalities), but it can bite quickly and is known to hold on strongly.
23: ...sion of a protein derived from the Gila monster's saliva. - Flea (4651 bytes)
24: [[Leptopsyllidae]] - Bird and rabbit fleas<br>
32: ...er]] ''Siphonaptera''. Fleas are external [[parasite]]s, living off the [[blood]] of [[mammal]]s and ...
42: [[Image:Flea_bites.jpg|thumb|left|Flea bites on the back of a human]]
43: ...mation of a slightly-raised swollen itching spot with a single puncture point at the center.
45: ...example of this was the [[bubonic plague]], transmitted between rodents and humans. Murine typhus (en... - Dog (69384 bytes)
17: ... ability to fit into human households and social situations.
19: ...et|companions]]. Dogs have lived with and worked with humans in so many roles that they have earned th...
23: ...ace, as well as scientific studies of similar conditions, suggest that under such extreme stress, high...
27: ...wolf]], ''Canis lupus'', by the [[Smithsonian Institution]] and the [[American Society of Mammalogists...
29: ...l size; similarly for '''Lap dogs''', with the additional connotation of an affectionate attachment be... - Goldendoodle (4607 bytes)
40: ...le hybrids]] have become increasingly popular and it is likely that the combination of Golden Retrieve...
43: ... one can be allergic to an animal's [[saliva]] or its [[dander]]. While some breeders claim that the G...
46: ...mini Goldendoodle is the result of crossbreeding with a miniature Poodle, although some mini Goldendoo...
49: ...y trained, highly social, and by nature are easy with strangers and other dogs. They love to play, an...
52: ...rdless of their parentage and will register dogs without pedigrees recording their ancestry. - Leech (8356 bytes)
7: {{Taxobox_classis_entry | taxon = [[Clitellata]]*}}
13: ...uld be a class<br> itself, or a subclass of the Clitellata.
16: ...um]]. Many species of leech are haemophagic parasites, living on occasional meals of blood obtained b...
18: ...ttached. Like earthworms, leeches are [[hermaphrodites]].
22: ==Diversity== - Dental cavities (7190 bytes)
1: ...ecause of dental caries are called '''''dental cavities'''.
5: ...ldren and young adults but can affect any person. It is the most important cause of tooth loss in youn...
7: ...lting in [[gingivitis]] and ultimately [[periodontitis]].
9: ...ooth and create holes in the tooth (cavities). Cavities are usually painless until they grow very larg...
11: ... If plaque and bacteria are left on the teeth, cavities can develop, and untreated tooth decay can res... - Tooth enamel (32458 bytes)
2: ...he thickness tapers down to a miniscule amount at its border, which is clinically seen as the [[cement...
4: ...hus, dentin, which is less mineralized and less brittle, compensates for enamel and is necessary as a ...
6: ...roteins is not understood fully at this time, but it is believed that these proteins aid in the develo...
9: ... cross section, it is best compared to a keyhole with the top, or head, oriented toward the crown of t...
11: ...not fully explained here. Both the cells, which initiated enamel formation, known as [[ameloblasts]], ... - Cat (30067 bytes)
16: ... [[feline]] [[carnivore|carnivorous]] [[mammal]]. Its scientific name is ''Felis silvestris catus'' or...
18: ...red cat is often called an [[alley-cat]], even if it is not a [[feral cat|stray]].
23: ...nd female cats spayed before their first heat or litter enjoy reduced risk of mammary cancer. [http://...
25: ...back, to accompany the growling or hissing sounds it makes. When listening for something, a cat's ears...
27: ...eriod. The term "cat nap" refers to the cat's ability to fall asleep for a brief period of time; someo... - Ginger (4462 bytes)
14: ...] plant ''Zingiber officinale''. The active constituent of ginger is ''zingerone''.
17: Young ginger roots are juicy and fleshy with a very mild taste. They are often pickled in [[...
21: In [[Western cuisine]], ginger is traditionally restricted to sweet foods, such as ginger ...
23: ...ferent from fresh ginger, and neither can be substituted for the other.
25: ...lagogue]] action, stimulating the production of [[saliva]]. - Fleas (4651 bytes)
24: [[Leptopsyllidae]] - Bird and rabbit fleas<br>
32: ...er]] ''Siphonaptera''. Fleas are external [[parasite]]s, living off the [[blood]] of [[mammal]]s and ...
42: [[Image:Flea_bites.jpg|thumb|left|Flea bites on the back of a human]]
43: ...mation of a slightly-raised swollen itching spot with a single puncture point at the center.
45: ...example of this was the [[bubonic plague]], transmitted between rodents and humans. Murine typhus (en...
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