Mindmap

Body Systems - Respiration

Sarah S Core Science Year 8 Englisch

Inhalt der Mindmap

GAS EXCHANGE
- happens in ALVEOLI - in lungs
- oxygen INTO alveoli
- carbon dioxide GIVEN OUT
JOURNEY TO THE LUNGS
- oxygen enters body though mouth & nose
  - TRACHEA (windpipe)
    - BRONCHUS
      - lol
      - BRONCHIOLE
        ALVEOLUS
        and diffuses into BLOOD
  - travels through (structures that get smaller and smaller)........
INHALED & EXHALED AIR
- INHALING
  - muscle between ribs & diaphragm CONTRACTS
    - INCREASES volume inside chest
      - pressure DECREASES
        air drawn INTO lungs
- EXHALING
  - muscle between ribs & diaphragm RELAX
    - DECREASES volume inside chest
      - pressure INCREASES
        air forced OUT of lungs
- INFO
  - exhaled WARMER than inhaled
  - exhaled MORE CARBON DIOXIDE than inhaled
  - exhaled MORE WATER than inhaled
  - exhaled LESS oxygen than inhaled

Beschreibung: Mind map of respiration, one of the body systems, from y8 Science KO
Erstellt von: Sarah S
Aufrufe: 9
Tags: respiration
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