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What helps direct water over a clam's gills?

Cilia move back and forth, in a coordinated fashion, to move water along each siphon. Cilia in the very large gills retrieve oxygen, which is then exchanged with carbon dioxide, through the tiny hairs. Light and chemical sensors on each siphon are connected to the clam's nervous system through three ganglia. These sensors tell the clam when to siphon water. When high tide comes in, the siphons go to work and capture oxygen and food. When low tide occurs, clams and other shelled mollusks retreat to their shells until water returns.\nThe clam's cilia capture tiny bits of food that get ..

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Where can you find some good examples of geometric coloring pages?

Colorwithfuzzy.com offers simple to complex geometric coloring pages. The site features 3-D cubes, pyramids, mosaics and tiled patterns among others. The downloadable coloring pages are in PDF format.\nGeometrycoloringpages.com offers over free 100 printable geometric coloring images. The site also offers a geometric coloring book that contains unique patterns in black and white. The book is available as an e-book or in paperback.\nSurfnetkids.com offers stunning and complex geometric patterns. Most of the designs include interwoven shapes and overlapping circles that cater to individuals who ..

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Where can I locate a file?

Most files are saved to default locations dictated by the program or the user's past saving habits. If the user knows what program the file was saved in, he can open the program and select "Save As..." to find out where the program defaults to when saving files.\nSearching the C:/ drive is the best option for the user who didn't save the file himself or moved the file or folder. The C:/ drive is the primary folder on most computers, and any files not found in the C:/ drive usually do not exist on the computer. The user may have an additional drive that he should search if what he is ..

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What are some kids games?

In Hide and Seek, one child, called "it," counts to a certain number at home base while the other children hide. Once the child finishes counting, she looks for the hidden children while they try to make it back to home base before being tagged.\nChildren play Musical Chairs using one less chair than the number of participating players. The children walk among pre-placed chairs in the play area as music plays. When the music stops, the children quickly sit on the nearest empty chair, leaving one player without a chair. This player is considered to be "out" and cannot play anymore. When only on..

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What did Alfred Nobel invent?

Nobel learned about the armaments industry from his father Immanuel Nobel, a builder and inventor who pioneered modern plywood and the torpedo. While the family lived in Russia, the factory produced machine tools and explosives and supplied armaments during the Crimean War. Upon his family's return to Sweden, Nobel studied explosives, and in particular how to safely manufacture nitroglycerin, invented by Ascanio Sobrero, a fellow student from the University of Paris.\nNobel’s experiments led him to invent a detonator in 1863 and the blasting cap in 1865. Following an explosion that kill..

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How do you juice wheatgrass?

Juice wheatgrass without a juicer by chopping it and adding it to a mortar and pestle. Grind the wheatgrass, and gradually add water to make a paste. Strain it through cheesecloth to capture the juice. Return the wheatgrass to the mortar and pestle and continue grinding, adding water and straining until the leaves turn white.\nWheatgrass is a young grass that belongs to the wheat family. It contains many nutrients, including chlorophyll, calcium, amino acids, vitamin C, iron, vitamin A, magnesium and vitamin E. Wheatgrass is widely believed to have a variety of health benefits with claims that..

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How did the fall of Rome affect Europe?

Some experts believe the fall of the Roman Empire was necessary to dismantle the old Roman slave system in favor of equitable societies. Wealthy Romans who possessed land in Gaul and Britain lost their estates, and some Roman societies quickly collapsed. Elites living in the southern part of the empire, including Spain, Italy and southern Gaul, learned to coexist with the migrants. The kingdoms in the post-Roman period were weaker, and the armies consisted of semiprofessionals. The rulers of the new territories were not Roman in origin but descendants of the original invaders who sacked Rome. ..

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How is math used in volleyball?

Probability is another mathematical concept used in games like volleyball to find out the end result of a game, before the game is over. Plus, the angle at which the players hit the ball also plays a very important role. It is also possible to calculate the force needed to hit the ball using the weight, speed and distance.

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How do you plan an itinerary?

When listing down the places you intend to visit, group nearby areas together to save time and minimize traveling costs. If you plan to visit Europe, use a European rail timetable, and identify several trains running between cities. Moreover, find out about available hotels and accommodation options in each city by reading travel guides or checking travel websites.\nBook a round trip ticket if you plan to travel abroad. Also, if you anticipate the expiration of your visa while traveling to a certain country, book a train to a nearby country to avoid penalty fees. When planning local activities..

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What is a creatine level chart?

Creatinine levels are partially dependent on the amount of muscle tissue present in the body, according to Web.MD.com. Normal levels of creatinine are approximately 0.6 to 1.2 milligrams per deciliter in adult males and 0.5 to 1.1 in adult females.\nGenerally a high serum level of creatinine can mean that the kidneys are stressed and not working well, as noted by the MayoClinic.org. It can indicate temporary dehydration or a low blood volume, or it may occur after eating a large meal or taking certain medications. A doctor may follow-up with a urine test or an additional blood test in order to..

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