… will be used throughout the experiment this is to ensure that the impact of the temperature on every sample will stay the same, i.e. if having a bigger beetroot sample less pigments will be released into the test tube at lower temperature, or…

… Genetics: Using a Population Gene Pool Simulator, PopCycle Abstract <Tab/>The study of microevolution was tested in this laboratory experiment through the examination, observation, and analysis of various population conditions,…

… the size of a fist that pumps blood. The heart is enclosed in a tough sack of tissue called the pericardium. The average human heart beats about 70 times a minute, and with each beat it pumps about 5 ounces of blood, or about 4,000 gallons of blood…

… effect on the limbic system of the brain. The limbic system is located deep within the brain near the top of the brain stem. The limbic system produces the feelings of pleasure, pain, anger, and fear which characterize our emotions. All drugs of addictio…

… observed cork under a microscope and noted that it was composed of small units. He called these units cells. Later it was observed that most living things are composed of cells. This led to cell theory. Cell theory is that living things are composed…

… of nerve cells, as well as other cells which maintain and support the nerve cells. The scientific name for a nerve cell is a neuron. Neurons function electrically to create thought and action in our bodies. Without nerve cells, human life would…

… the endocrine system and the hormones they release influence almost every cell, organ, and function of our bodies. The endocrine system is instrumental in regulating mood, growth and development, tissue function, and metabolism, as well as sexual functio…

… cells that have mutated from normal tissues. This growth is known to kill when these cells spread throughout the body and prevent normal function of vital organs. These cells are able to develop in almost any organ, fluid, or tissue within the…

… for us to give a sensible answer to the curious child whose question heads this chapter. ['Why are people?'] We no longer have to resort to superstition when faced with the deep problems; Is there meaning to life? What are we for? What is Man? The argume…

… way a great discovery is made?<Tab/> The discovery of the double helix was one of the greatest scientific acomplishments of the 20th century. The process the sciencentist followed in their discovery was suprising in several ways.…