Renin-angiotensin system

All organisms in an ecosystem are interconnected and play specific roles that are crucial to the entire community’s sustainability and well-being. When a single aspect of the community is taken away, it affects the rest of the organisms that inhabit the ecosystem, and usually in a way that negatively impacts the area’s biodiversity. The source of most energy on Earth comes from the Sun however, only a certain group of organisms can harness the sun’s energy and convert it into sugars and…

may up rise from the virus, but it is not very common. (Emiliani, C. 1993) Introduction Human immunodeficiency virus, HIV, is one the world’s most fatal illnesses. (Regents of the University of California) It is a virus in which attacks the Immune system, also known…

The purpose of this research paper is to understand why allergic reactions happen, and what chemicals in our bodies cause them to happen. In this paper, one will read about the chemical inside our bodies that causes allergic reactions to happen, the symptoms of an allergic reaction, the most common allergens, and ways that one can treat his/her allergies. Chemicals Triggering Food Allergies We have all known someone in our life that has a food allergy, or maybe even…

When I look back at my writing experiences my memories are full of sweaty palms and anxiety attacks. Writing has never been a strong suit, I remember in fourth grade having to write a book, hand written with illustrations, my nightmare. In college my professor told me that my writing was so bad I would make a terrible teacher. Reading is a little more enjoyable than writing, I like reading books before I see the film version of the story. I am a mother now and I do not want my son to face the…

Maturity: the state, fact, or period of being mature. But is it more than that? Is it the way you act? The words you use? Is maturity really a fact, or is it just an idea? What makes maturity, maturity? What does being mature mean? What makes you mature? Many people have these questions at least once in their lives, when they see the distasteful couple making out in the halls or the class clown that just can 't seem to understand why everybody hates his "funny" jokes. Why is it that you…

make someone immune to an infectious disease. To trigger an immune system response, how the body responds to diseases, vaccines are loaded with microorganisms, a microscopic organism. A common vaccine consists of a weakened pathogen, an organism that causes diseases. The pathogen could also have been altered so that it cannot cause illness. When a vaccine is administered, pathogens enter the body. For that reason, the immune system creates antibodies, a substance produced by the body to to fight…

person’s immune system, making it incredibly difficult or even impossible to fight off even the most basic diseases. Acquired Immune Deficiency Syndrome, otherwise known as AIDS, may result…

Effectiveness of “Time-Out” as a “Punishment” for Children “Time-out” is a disciplinary technique that has been used by parents for many generations. Time-out is one of many forms of punishment that King (2008) defines as a consequence that decreases the likelihood that a behavior will occur. I strongly agree with Zolten and Long (2006), the authors of “Time-Out as a Discipline Technique”, that time- out can be a very effective form of punishment in decreasing various problem behaviors seen in…

Muscular dystrophy is genetic disorder that is caused by a mutation in the genes, causing muscle mass to become weaker and degenerated. This is a consequence on the genes with mutation that have a missing protein responsible for muscle health. There are over forty types of muscular dystrophy and each varies in characteristics and severity. Duchenne muscular dystrophy is the most common type and only boys are affected by it. Characteristics can vary depending on the type of muscular dystrophy,…

AIDS and HIV are deadly diseases that have been occurring for decades. The first report about AIDS was in 1981 when 5 young healthy gay men immune system were not “working“ and 2 of them died by the time the report was published. By the end of the year of 1981, there were over 200 cases of severe immune deficiency among gay men. Back then in 1982, Scientists used AIDS for the first time to describe events that had occur known as opportunistic infections, which are Kaposi 's sarcoma (a type of…