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ALCOHOL. Intermediate 1 Biology Unit 1 – Health and Technology. Introduction. A drug is a substance that alters the way the human body works Alcohol is the most commonly used drug in Britain Alcoholic drinks vary in the percentage of alcohol that they contain.

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alcohol

ALCOHOL

Intermediate 1 Biology

Unit 1 – Health and Technology

introduction
Introduction
  • A drug is a substance that alters the way the human body works
  • Alcohol is the most commonly used drug in Britain
  • Alcoholic drinks vary in the percentage of alcohol that they contain
alcoholic content of different drinks
Alcoholic Content of Different Drinks

Typical alcohol content (%)

Vodka Whisky

Buckfast

Absinthe

Smirnoff Ice

Beer Cider Wine

absorption of alcohol
Absorption of Alcohol
  • Once consumed alcohol is absorbed from the stomach and other parts of the gut
  • It is carried around the body in the bloodstream
absorption of alcohol5
Absorption of Alcohol
  • When alcohol reaches the brain it affects the brain’s activities
  • It often makes a person feel relaxed and uninhibited
  • Alcohol is slowly broken down in to harmless substances by the liver
  • Effects of alcohol gradually wears off
absorption of alcohol6
Absorption of Alcohol
  • The faster you absorb the alcohol, the higher your blood alcohol level will be,
  • The more alcohol in your blood, the greater its effect will be.
  • Absorption is more rapid if you:

-drink quickly

-add a fizzy mixer

-drink on an empty stomach

-are small, young or female

units of alcohol
Units of Alcohol
  • One unit of alcohol is the quantity that can be broken down in a healthy adult’s liver in about one hour
  • The recommended limit per week for

-men = 21

-women = 14

how many units of alcohol in the following
How many units of alcohol in the following?
  • A pint of Tenants

- 2 units

  • A Barcardi Breezer

-1.5 units

  • A vodka and diet coke

-1 unit

  • A small glass of wine

-2 units

harmful effects of alcohol
Harmful Effects of Alcohol
  • In the short term an excess of alcohol in your bloodstream leads to

-poor reaction time

-poorer muscle control and coordination

-poorer judgement when making decisions

harmful effects of alcohol10
Harmful Effects of Alcohol

Long term abuse of alcohol can have a devastating impact on health, eg.:

  • Hangovers.
  • Weight gain.
  • High blood pressure
  • Depressed immune system
  • Cancer
  • Liver disease
  • Alcohol poisoning
  • Heart or respiratory failure
  • loss of appetite
  • Vitamin deficiencies
  • memory loss.
slide11

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