B1(a)

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  • Created by: Ben Hamer
  • Created on: 03-03-14 11:41
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  • B1(a)
    • Diet and Metabolic Rate
      • Carbs=energy
      • Fats=Warmth+energy
      • Protein=Growth+Cell Repair+Cell Replacement
      • Fibre=Maintains Digestive System
      • Vits+Mins=General Health
      • Exercise=Higher Metabolic Rate
    • Fighting Disease
      • Pathogens=Microorganisms-Disease
      • Bacteria=Very Small Cells-Reproduce Rapidly
        • Damage Your Cells
        • Produce Toxins
      • Defence System
        • Respiratory Tract
          • Skin
          • Hairs
          • Mucus
        • Platelets
          • Help Blood To Clot Quickly
            • To Seal Wounds
        • White Blood Cells
          • Attack Invading Microbes By
            • 1.Consuming 2.Producing Antibodes 3.Producing Antitoxins
      • Vaccination
        • Protects From Future Infections
        • Small amounts of dead of inactive microorganisms
          • Carry Antigens
            • Causes body to produce antibodies to attack them
      • Drugs
        • Painkillers reduce the symptoms
        • Antibiotics Kill the bacteria
          • Doesn't destroy viruses
        • Bacteria Can Become Resistant
          • Mutations May Cause Resistance
            • Resistant Bacteria Will Reproduce
    • The Nervous system
      • Sense Organs Detect Stimuli
        • Stimulus=Change in Environment
        • Eyes
          • Sensitive to Light
        • Ears
          • Sensitive to Changes in Position
        • Nose
          • Sensitive To Chemical Stimuli
            • Tongue
              • Sense Organs Detect Stimuli
                • Stimulus=Change in Environment
                • Eyes
                  • Sensitive to Light
                • Ears
                  • Sensitive to Changes in Position
                • Nose
                  • Sensitive To Chemical Stimuli
                    • Tongue
                  • Skin
                    • Sensitive to Touch, Pressure, Pain and Temperature Change
          • Skin
            • Sensitive to Touch, Pressure, Pain and Temperature Change
        • Nerve Cells
          • Relay Neurones
            • Carries Signals From Sensory Neurones to Motor Neurones
          • Motor Neurones
            • Carries signals from Central Nervous System to the Effector Muscles or Glands
              • Effectors
                • Muscles and Glands
                  • In Response to a Nervous Impulse:
                    • Muscles Contract
                    • Untitled
        • Plants
          • Produce Hormones
            • React to external Stimuli=Grow Towards Light, Water etc.
          • Tropisms
            • Positive
              • Plant Grows Towards Stimuli
            • Negative
              • Plant Grows Away From Stimuli
            • Phototropism=Light Stimulus
            • Gravitropism
      • Synapses And Reflexes
        • Reflexes=Automatic Responses To Certain Stimuli
          • Reflex Arc=Passage Of Information In A Reflex
            • Neurones In The Reflex Arc Go Through The Spinal Cord
            • When A Stimulus Is Detected, Impulses Are Sent Along A Sensory Neurone
              • When The Impulses Reach A Synapse Between A Sensory and Relay Neurone, Chemicals Are Released
                • The Impulses Then Travel Along The Motor Neurone To The Effector
      • Hormones
        • Hormones=Chemicals Released Into The Blood
          • Carried In The Blood Plasma
        • Produced By
          • Ovaries (Females Only)
            • Produce Oestrogen
      • The Menstrual Cycle
        • Four Stages
          • 1. Bleeding Starts, Uterus Lining Breaks Down-4 Days
          • 2.The Lining of the Uterus Builds Up Again
            • Ready To Receive a Fertilised egg
          • 3.An Egg is Released
          • 4.Wall Is Then Maintained
        • 3 Main Hormones Involved
          • FSH
            • Causes an Egg to Mature
            • Untitled
          • Oestrogen
          • LH
    • Sensory Neurone
      • Nerve Cells
        • Relay Neurones
          • Carries Signals From Sensory Neurones to Motor Neurones
        • Motor Neurones
          • Carries signals from Central Nervous System to the Effector Muscles or Glands
            • Effectors
              • Muscles and Glands
                • In Response to a Nervous Impulse:
                  • Muscles Contract
                  • Untitled
      • Carries Signals as Electrical Impulses From Receptors To The Central Nervous System
    • Synapses Connect Neurones
      • Synapses And Reflexes
        • Reflexes=Automatic Responses To Certain Stimuli
          • Reflex Arc=Passage Of Information In A Reflex
            • Neurones In The Reflex Arc Go Through The Spinal Cord
            • When A Stimulus Is Detected, Impulses Are Sent Along A Sensory Neurone
              • When The Impulses Reach A Synapse Between A Sensory and Relay Neurone, Chemicals Are Released
                • The Impulses Then Travel Along The Motor Neurone To The Effector
      • Nerve Signal Transferred By Chemicals
        • These Chemicals Set Off A New Signal In The Next Neurone
    • The Pituitary Gland
      • Produced By
        • Ovaries (Females Only)
          • Produce Oestrogen
      • Produce Many Important Hormones, Including FSH and LH

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