BIOLOGY 1 MIND MAP

BIOLOGY 1 MIND MAP

1. Blood Pressure

   • Blood pressure is measured in millimetres of mercury
   • Systolic Pressure
     • The higher measurement when the heart beats, pushing blood through the arteries
   • Diastolic Pressure
     • The lower measurement when the heart rests between beats
   • The ideal blood pressure (for 21 year old is: 120/80
   • Problems with high blood pressure
     • Kidney damage
     • Burst blood vessels
     • Damage to the brain, including strokes
   • Problems with low blood pressure
     • Low energy
     • Dizziness
     • Fainting
     • Sickness
   • What could increase blood pressure
     • Being overweight
     • Stress
     • High alcohol intake
     • Smoking
   • What could decrease blood pressure
     • Regular exercise
     • Balanced diet
     • Don't have a high alcohol intake

2. Types of Fitness

   • Cardiovascular efficiency - how well a person's circulatory system works
   • Agility - how easily someone moves
   • Strength
   • Stamina - endurance or staying power
   • Flexibility
   • Speed

3. Fitness and Health Keywords

   • Fitness and health are NOT the same thing
     • Fitness - the ability to do physical activities
     • Health - the amount of freedom from disease

4. Smoking

   • Increases blood pressure
   • Addicitive
   • Blocks lungs
   • Smoking and Blood Pressure
     • Carbon monoxide means the blood carries less oxygen, heart rate increases to get enough blood to the tissues
     • Nicotine in the cigarette directly effects the heart rate, it makes you more alert
     • 1. Fatty deposits build up in the conary arteries, a blood clot can form
     • 2. A blood clot can form on the fatty deposit
     • 3. Some heart muscle cells don't get the oxygen and nutrients they need
     • 4. The cells die - you get a heart attack
   • Increasing the Risk of Heart Disease
     • Controllable
       • How much alcohol you drink
       • How often you exercise
       • If you smoke
       • Diet - balanced
         • Not a high salt intake
       • Cholesterol level
     • Uncontrollable
       • Your gender
       • Diabeties
       • Hereditary
       • Being paralysed or disabled - cannot exercise
       • Age
       • Family has high cholesterol