Enzymes GCSE Science Required Practical

>> DOWNLOAD LINK 🎞️ #1 <<

>> DOWNLOAD LINK 🎞️ #2 <<

>> COPY / PASTE LINK PLEASE 🎵 MP3 <<

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=yGqSa2t7F5w

Download the perfect PowerPoint for this topic here: https://www.mrexham.com/igcse_biology... • 2.65 Describe the structure of the heart and how it functions. • 2.66 Explain how the heart rate changes during exercise and under the influence of adrenaline. 2.67 Understand how factors may • increase the risk of developing coronary heart disease.

#############################