Human Body Essays

Background- This lab is being done to demonstrate the effects of stimulants on the circulatory system of blackworms. In this lab, the stimulant we have chosen to use is Nicotine. A stimulant is an agent that causes increased activity, especially in the nervous or cardiovascular systems. In this lab, we …

Since 1932, cardiac arrhythmias have been treated by the use of pacemakers. According to the article, “The Evolution of Pacemakers”, “An artificial pacemaker is a device that delivers a controlled, rhythmic electric stimulus to the heart muscle in order to maintain an effective cardiac rhythm for long periods of time” …

Calcium plays a very significant role in our bodies. Approximately 99 percent of the calcium in our bodies is stored in the teeth and bones. Calcium generates about two percent of our total body weight. Calcium is crucial in bone formation, keeping strong bones and teeth and is known for …

Human anatomy and physiology – study of the structure and function of the human body. Anatomy- the scientific discipline that investigates the structure of the human body. Physiology – The scientific discipline that investigates the process of functions of living things. 6 Structural levels 1. Chemical level – atoms combine …

Kinetic energy is energy in action, while potential energy is stored energy. Structurally variant atoms, which have the same number of protons (and electrons), but differ in the number of neutrons they contain Atomic weight of an element is approximately equal to the mass number of its most abundant isotope. …

While reading this essay I found myself emerged in a lifestyle unknown to me. As Mairs goes through her experience with being a cripple she use multiple types of rhetoric to achieve her goal of explain how she is able to live with her handicap. Mairs tone in this essay …

Sleeping sickness is infection with germs carried by certain flies. These germs are Trypanosoma brucei rhodesiense and Trypanosomoa brucei gambiense. The more severe form of the illness is caused by T. rhodesiense. This results in swelling of the brain. Tsetse flies carry the infection. When an infected fly bites you, …

Item 1 refers to the following diagram of a longitudinal section through the human eye 1. At what point is vision not possible? (A) I (B) II (C) III (D) IV Item 2 refers to the following diagrams (I and II) representing the iris in bright and dim light respectively. …

Rizal’s vision was of the nation as an ethical community, a vision of an inclusive nation without borders, and not of a sovereign nation demarcated by a territory and protected by the armature of the state. He was convinced that the road to national liberation, to freedom and justice, was …

Guava is a tropical fruit, which is in very much like the shape of a pear, and has a yellow-green skin and white, yellow, or red/pink flesh. The guava tree belongs to the myrtle family Myrtaceae. The tree is natihve to Mexico, as well as Central America, Northern South America …