B3 - overall mind map of topics
This is a mind map which I was asked to do for homework. I quickly did a mind map which is very brief but should cover the main areas of the AQA B3 exam.
- Created by: Amber Wadey
- Created on: 17-04-13 17:57
View mindmap
- B3
- Osmosis
- diffusion of water
- through a partially permeable membrane
- from area of high to low concentration
- allows water molecules through but stops soluble molecules
- diffusion of water
- Active Transport
- from an area of high to low concentration
- requires energy from respiration
- Exchanging materials
- large surface area
- well ventilated
- being thin - provides short diffusion path
- efficient blood supply
- Breathing System
- lungs ribcage trachea bronchus bronchiole diaphragm alveoli
- exchanges O2 and CO2
- breath in- ribcage moves up and out, diaphragm flattens
- breath out- ribcage moves down and in, diaphragm pushed upwards by abdomen
- Plants
- guard cells control stomata
- stomata let CO2 in and O2 out
- Transpiration- movement of water
- Phloem & Zylem
- guard cells control stomata
- Circulatiory System
- Heart
- right & left atria and ventricles
- Made from muscle tissue
- Valves prevent backflow
- Blood Vessels
- Arteries
- Veins
- Capillaries
- Blood
- White blood cells
- Plasma
- Platelets
- Red blood cells
- Heart
- Homeostasis
- Waste materials - urea- broken down amino acids
- Kidneys
- Dialysis machine
- must be done at regular intervals
- Transplant
- can be rejected by the recipient
- Dialysis machine
- Kidneys
- Body temperature - thermoregulatory centre
- Water and ion content
- Glucose levels
- Diabetes
- Insulin
- Diabetes
- Waste materials - urea- broken down amino acids
- Environment
- Global warming
- Pollution
- Deforestation
- Biofuels
- Food
- Fishing
- Sustainable
- Food Miles
- Mycoprotein
- Fishing
- Osmosis
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