Structure & function of skeletal MUSCLES: Myofibrils, sarcomere, sliding filament theory.

Learn the structure of a myofibril and sarcomere, including the different bands and zones (I,A H and Z) and how these change when a muscle contracts. I describe the sliding filament theory and go through the differences between slow and fast-twitch muscles. Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi.com/exam-… ***JOIN MY BIOLOGY CLUB***. Need an A/A* in Biology and get bored easily and procrastinate??? Join my Biology Study Club for resources, support and a social community to get you to that A*! https://missestruchbiology.mykajabi.com/biolo… Try my resources to improve your skills and grades: 1) Try my FREE resources https://www.missestruch.co.uk/freebies 2) THE COMPLETE A-LEVEL BUNDLE https://www.missestruch.co.uk/offers/cFSs7B3Q… 2)FULL A-LEVEL ACTIVE RECALL WORKBOOK https://www.missestruch.co.uk/offers/zNTxT3Eh 3) A-LEVEL NOTES https://www.missestruch.co.uk/