Might be missing a few things here-and-there but contains pretty much everything you should need
| Text | Within each muscle fibres are numerous {{c1::myofibrils}}.{{c1::Myofibrils}} are themselves made up of contracting units called {{c2::sarcomeres}}{{c2::Sarcomeres}} are made up of two types of protein molecules ({{c3::actin and myosin}}) which slide over each other to contract |
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| Text | Some channel proteins can be opened or closed depending on the presence of {{c1::a signal like voltage or a molecule/hormone}}. These are called {{c2::gated channels}} |
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| Front | What are the consequences of energy imbalance? |
| Back | If a greater amount of energy is burned through exercise than is consumed, it leads to weight loss.If a greater amount of energy is consumed than is burned through exercise, it leads to weight gain. |