• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

There are many things that affect the human body and attack its defence systems,they can be naturally occouring in the environment or self inflicted or caused by societys pollution of our planet.

Page
  1. 1
    1
  2. 2
    2
  3. 3
    3
  4. 4
    4
  5. 5
    5
  • Essay length: 3744 words
  • Submitted: 24/09/2004
Share this essay:
GCSE Humans as Organisms

The first 200 words of this essay...

There are many things that affect the human body and attack its defence systems,they can be naturally occouring in the environment or self inflicted or caused by societys pollution of our planet. Below are some conditions, with the effects that they cause to the human body and its defence mechanisms.

Alcohol consumption is a health issue which affects the vast majority. A great many people drink alcohol regularly. Although they may not be alcoholic in the sense of being addicted to alcohol, they neverthelesss expose themselves to health risks. The alcohol in wines, beers and spirits is a depressant of the central nervous system. Small amounts gives a sense of well-being, with a realease from anxiety. However, this is accompanied by a fall-of in performance in any activity requiring skill. It also gives a misleading sense of confidence.The drunken driver usually thinks he or she is driving very well. Even a small amount of alcohol in the blood increases our reaction time. In some people, the reaction time is doubled even when the alcohol in the blood is well below the legal limit laid down for car drivers. This can make a big differenece in the time needed

Read more
The above preview is unformatted text

Found what you're looking for?

  • Start learning 29% faster today
  • Over 150,000 essays available
  • Just £6.99 a month

  • "
    A fantastic website, it's also convenient to use, user-friendly, and has excellent customer services.
    "
    Lex Fawste. English, Biology, Physics, Maths, and Chemistry. A Level Student.
  • "
    This website has been a major help to me--I don't know what I would have done without it. You can depend on Markedbyteachers.com for solid, dependable essays.
    "
    Sabrina, Washington. IB English, History, Chemistry, Anthropology.

Marked by a teacher

This essay has been marked by one of our great teachers. You can read the full teachers notes when you download the essay.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review on the essay page.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review under the essay preview on this page.