Regina's Biology Blog August 2007 Archive

Heart image courtesy of MedValet The cardiac cycle is the cycle of events that occurs as the heart contracts. The cardiac cycle consists of two phases, the diastole phase ... Read More

Nucleus with Nuclear Pores© Dennis Kunkel The nucleus is the control center of a cell. It contains the cell's hereditary information (DNA) and controls the cell's growth and ... Read More

Archeologists say that they may have discovered the oldest human footprint at a prehistoric archeological site in Egypt. The researchers will use carbon tests on plants found in the fossil footprint ... Read More

People who consume alcohol to intoxication often experience what is known as a hangover. Hangovers result in unpleasant physical and mental symptoms. Alcohol can impact the body in several ways. Some ... Read More

Scientists report that obesity in some people may be linked to a virus, specifically the human adenovirus-36 (Ad-36). This virus was found to cause levels of fat to increase ... Read More

Alaskan Tundra in bloomCredit: (USFWS) Biomes are the world's major habitats. These habitats are identified by the vegetation and animals that populate them. There are several kinds ... Read More

Microsporocytes in Telophase I © John C. Glase Meiosis is a two-part cell division process in organisms that sexually reproduce. In telophase I of meiosis, homologous chromosomes move ... Read More

Researchers from the University of Michigan School of Public Health say that plain soaps are just as effective as antibacterial soaps in reducing bacteria related illnesses. They also claim that using ... Read More

© MedValet The heart is the organ that supplies blood and oxygen to all parts of the body. The heart is divided by a partition or septum into ... Read More

Author: Stefan Kühn, Wikimedia Commons Researchers from McMaster University have demonstrated that drinking milk can help you burn more fat and gain muscle. The study was conducted with ... Read More

E. coli bacterium © Dennis Kunkel Bacterial reproduction most commonly occurs by a kind of cell division called binary fission. Binary fission results in the formation of two ... Read More

A unique chlorophyll-producing bacterium has been discovered. © Nicolle Rager Fuller, National Science Foundation Researchers have discovered a new species of bacteria in the hot springs of ... Read More

Structures of the limbic system are located on top of the brainstem and buried under the cortex. The limbic system is responsible for controlling various functions in the body. Limbic system ... Read More

It is most commonly thought that people have sex either for pleasure or to reproduce. A study done by researchers from the University of Texas at Austin has shown that ... Read More