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Edexcel GCSE Biology Topic 8 - Exchange And Transport in Animals





Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.

  

 • I can describe how and why the following substances are moved in and out of cells; oxygen, carbon dioxide, water, food, ions and urea

 • I can describe the structure and function of alveoli

 • I can explain what factors affect the rate of diffusion Biology only

 • I can use Ficks law to calculate the rate of diffusion Biology only

 • I can describe the parts that make up blood, and the function of each of these parts

 • I can recognise a diagram of the different blood calls

 • I can explain how different blood cells are adapted to suit a particular function

 • I can describe the structure and function of the different types of blood vessel. Aorta, vena cava, pulmonary artery, pulmonary vein, coronary arteries and capillaries

 • I can recall the organs that make up the respiratory system

 • I can describe the structure and function of the heart

 • I can recall the respiration is an exothermic reaction

 • I can recall the word and symbol equation for respiration

 • I can describe the process of aerobic respiration; in regard to oxygen, the products and the amount of energy

 • I can describe the process of anaerobic respiration; in regard to oxygen, the products and the amount of energy

 • I can describe what an organism needs energy for

 • I can recall the equation for anaerobic respiration

 • I can recall the equation for anaerobic respiration in plants and yeast cells

 • I can calculate heart rate