Cancer: Cancer and Normal Body Cells Essay

Submitted By jscparta
Words: 569
Pages: 3
Open Document
Jenna Scparta 12/16/07
St. John’s School Grade 7 Cancer Cancer is a disease that is usually very bad. The word cancer comes is the Latin word for crab. Cancerous growths act something like a crab, pinching healthy tissue as they grow. Although there are many kinds of cancer, they all start because of out-of-control growth of abnormal cells. Normal body cells grow, divide, and die in an orderly fashion. During the early years of a person's life, normal cells divide more rapidly until the person becomes an adult. After that, cells in most parts of the body divide only to replace worn-out or dying cells and to repair injuries. Because cancer cells continue to grow and divide, they are different from normal cells. Instead of dying, they outlive normal cells and continue to form new abnormal cells. These abnormal cells are called tumors. Cancer is developed in many ways such as inherited from a parent, by smoking, and ultraviolet light. Carcinogens are substances or factors in the environment that can cause cancer. Carcinogens are found in the tar of cigarette smoke and ultraviolet light which is part of the sun. Cancer is the second leading cause of death in the United States. Half of all men and one third of all women in the United States will develop cancer during their lifetimes. Today, millions of people are living with cancer or have had cancer. The risk of developing most types of cancer can be reduced by changes in a person's lifestyle, for example, by quitting smoking and eating a better diet. The sooner a cancer is found and treatment begins, the better are the chances for living for many years. There are many, many symptoms of cancer. Back pain, pelvic pain, bloating, indigestion, headaches, nonhealing sores, constant itching in your anus, fever and night sweat are all symptoms of cancer but not all the same type of cancer. Obvious change in a wart or a mole, persistent lumps or swollen glands, breast lump or breast discharge, and persistent cough or blood-tinged saliva are just a few of many symptoms. Drugs, surgery, and radiation are all used to
Show More

Related Documents: Cancer: Cancer and Normal Body Cells Essay

Cancers Essay

Cancer is the uncontrolled growth of cells due to mutations in the proto-oncogenes and tumor suppressor genes.Unlike normal cells, cancer cells divide even when they do not receive a signal to divide and they can divide indefinitely. In addition, tumors also form as a result of mutations in the proto-oncogenes and tumor suppressor genes. Proto-oncogenes are responsible for regulating the cell cycle but when there is a mutation, it leads to an oncogene, which accelerates cell growth and division.…

Words 912 - Pages 4

Hcg Test

of the body. It spreads once a clump of cells from the primary site of cancer breaks off and enters the blood, lymphatic system, coelomic spaces or by local invasion and invades other organs and tissues. The new tumour that forms in a new location is known as a metastatic tumour causing secondary cancer. However even though most neoplasms can metastasise, this process is difficult as cancer cells have to go through a series of steps to colonize a different location. 2.How do cancer cells vary from…

Words 1247 - Pages 5

Immune System and Adipose Cells Essay

Breast Cancer 1. Discuss the structure and function of the normal cell belonging to the effected organ. a) Name the cancer affected organ and what are the vital functions of that organ in the human body The cancer affected organ in the body is the breast. Breasts are complex, specialized organs whose primary function is to produce milk for an infant or a baby. b) Specialised tissues that the organ is made up of The structure of the female breast is complex — including fat and connective…

Words 1385 - Pages 6

Essay on Cancer: Cancer and Radiation

As you most likely know cancer is a very mysterious and deadly disease, but what is cancer really? Cancer is a disease which forms when abnormal cells divide without control. These cells are able to invade other tissues. There are over one hundred different types of cancer. Each different type of cancer is classified by the type of cell that is initially affected. Although there are many great advancements of technology to treat and prevent cancer, cancer is still the number one leading cause of…

Words 955 - Pages 4

Questions On Cancer

Cell Biology – Test 4 – Final – Cancer 1. Gene expression in Cancerous cells a. Mutation – sequence change in the bases of DNA b. In cancerous cells, mutations cause cells to lose control over mitosis i. Proto-oncogene – protein normally causes cells to divide, mutation causes protein to produce a higher rate of mitosis ii. Multiple changes can occur. 1. make the proto-oncogene to the oncogene (mutated version) 2. Could make copies…

Words 1104 - Pages 5

Essay on prostate cancer

Abstract Prostate cancer is one of the major health concerns of the public. Worldwide prostate cancer has affected a big portion of the population and has become an issue for many males all around the world. Prostate cancer refers to the malignant growth of glandular cells located in the prostate. At the age of 85, a man is said to have a 1 in 5 chances of developing prostate cancer sometime in their life. Unfortunately Prostate cancer is a disease that does not give any warning signs when it is…

Words 4002 - Pages 17

Cancer Research Paper

Cancer From both sides of my family, cancer is a constant reoccurring problem and it is something that not only affects my family and me, but as well as many, many other people. Almost knows at least one person who has had cancer. Naturally we have a feeling of fear that we might one day get it as well, especially in children. However, cancer in children is very rare, but as adults, the odds of receiving cancer increases. Breast cancer is most common in women whereas prostate cancer is most…

Words 1810 - Pages 8

Proto Oncogene Case Study

effect. Oncogenes are cancerous cells that develop from proto-oncogenes. Proto-oncogenes are normal genes and under certain conditions, such as mutation, can become cancerous. Furthermore proto-oncogenes also encode for cell growth to be maintained at a normal level whereas oncogenes are at a state of abnormal rapid growth. To limit abnormal rapid growth of cells BRCA-1 and BRCA-1 come into play, BRCA-1 and BRCA-2 are tumor suppressor genes which normally prevent the cancer from developing through repairing…

Words 446 - Pages 2

Essay on Amolinaro Casestudymelanoma 011714

Module 02 Case Study: Integumentary System Part I—"Soaking Up the Sun" Questions 1. What are some differences between Judy and Mariah that might make Judy more "at risk" for skin cancer than Mariah? (2 points) Some differences between Judy and Mariah are, for one, Mariah has a darker complexion, therefore, more melanin to protect her from the UV rays of the sun. Mariah also has darker hair where as Judy has red, which again means Mariah has more melanin in her skin/hair. Usually individuals with…

Words 1041 - Pages 5

Cancer: Immune System and Cells Essay

By researching stem cells scientists have suggested that too much SP2 protein may turn stem cells into cancer cells.[3] Other issues thought to play a role in the spread of cancer include viruses, immune system issues, genetics, environment and age.[4] However, a lack of particular co-stimulated molecules that aid in the way antigens react with lymphocytes can impair the natural killer cells ability and ultimately cause cancer.[2] All cancers begin in cells, the body's basic unit of life. To understand…

Words 347 - Pages 2