.... as the saw shark. This order has only has one family PHISTOPHORIFORMES which contains five species. These sharks are easy to recongnize due to the fact that they posses an ellongated blade like snout that is lined with sharp teeth along the edges, thus, the name saw sharks. SQUALIFORMES: The order possesses three family which consist of about 82 species. These sharks are characterized by their slender, cylinder-shaped bodies, long snouts with shortened mouths. HEXANCHIFORMES: The Hexanchiformes or cow sharks, comprise of two families. Recognized by their six or seven pairs of gill slits, there sharks can often be found in deep water. The frilled sh .....

.... (aldosterone) and Glucocorticoid (cortisol) hormones. Adrenaline affects many different types of tissues throughout the body. The release of adrenaline prevents hypoglycemia (low blood sugar), by binding adrenergic receptors in the hormone releasing cells of the pancreas. Epinephrine is called the “fight” or “flight” hormone. The actions of epinephrine and norepinephrine are generally similar, although they differ from each other in their effects. Norepinephrine constricts almost all blood vessels. Norepinephrine is formed by intravenous infusion to combat the fall in blood pressure associated with types of shock. Norepinephrine is formed in the body .....

.... of gas with the purpose of reaching a high. Inhalants are legal everyday product, which have a useful purpose. Some of these substance are paint, glues, white out, air conditioning refrigerant, felt tip makers, spray paint, air freshener, butane and even cooking spray. Inhalants can really harm the body. Almost all inhalants can cause the body to slow down. The user can suffer Sudden Sniffing Death Syndrome this means that the user can die the first time he or she uses an inhalant. Inherits can effect the other part of the body like the heart, liver, kidney, brain, bone marrow and many other organs. Inhalants can cause some of the same problems in pregn .....

.... over 16 years, and they had $1.2 Billion in sales last year. They are the foremost manufacturer of nutritional and weight-loss products. The company is based in Southern California, and is doing business internationally in 32 countries. An article in the November 1995 issue of CONSUMER REPORTS published a list of herbs that might help and herbs that cause harm. Almost all of the herbs that are helpful and none of the herbs that cause harm are in our products. The products come in tablet or capsule form. These tablets are cold pressed herbs and roots that have not been subjected to the nutrition destroying effects of cooking. This prese .....

.... the Lion or Pisces the Fish? What are they? The are totally imaginary things that poets, farmers and astronomers have made up over the past 6,000 years (and probably even more!). The real purpose for the is to help us tell which stars are which, nothing more. On a really dark night, you can see about 1000 to 1500 stars. Trying to tell which is which is hard. The help by breaking up the sky into more manageable bits. They are used as mnemonics, or memory aids. For example, if you spot three bright stars in a row in the winter evening, you might realise, "Oh! That's part of Orion!" Suddenly, the rest of the constellation falls into place and you can declare: .....

.... water you use for washing or drinking. Salmomella Typhi hides in beverages, most commonly milk or water. It also hides in food that is usually a foreign delicacy of some sort that has been contaminated by Salmonella Typhi in some way. Typhoid fever usually causes high fever, head ache, sore throat, vomiting, diarrhea, skin rash, weakness, or inability to think clearly. The symptoms take about two weeks to go away if they don\'t lead to death. This bacterial pathogen is considered extremely dangerous and is probobly armed. Salmonella Typhi has been on the loose for many years and was cuased a lot of havoc and done a lot of damage over the years. Typhoid .....

.... unique from the other members of the bass family. The is the most adaptable member of the bass family. It is found in every aquatic habitat from small streams the the largest resevoir, and almost everything in between. Up north the has a longer lifespan than in the south, at sixteen years old. While it may get older up north the size of the bass is larger in the south. This is so because there is more to eat. The sexual characteristics of the bass remain the same nort and south. The spawn in the spring, when water temperatures begin to move past sixty degrees fahrenheit. The spring spawning urge in a bass is set off by both water temperature and ph .....

.... self-sealing, fluid, asymmetric, selectively permeable, compartmental barrier essential for a cell or organelles correct functioning, and thus its survival. Introduction. Biological membranes surround all living cells, and may also be found surrounding many of an eukaryotes organelles. The membrane is essential to the survival of a cell due to its diverse range of functions. There are general functions common to all membranes such as control of permeability, and then there are specialised functions that depend upon the cell type, such as conveyance of an action potential in neurones. However, despite the diversity of function, the structure of memb .....