Answer:
heat
Explanation:
one of the only reasons we cant get 100 percent energy transformation is we lose energy to heat and friction
Eugen Bleuler. (Swiss psychatrist)
The answer is transverse or t tubules. These invaginations into the skeletal muscles cells play a significant role in electrical conductivity of impulse across muscle or cardiac fibres. They regulate calcium concentration and it's release in ion channels hence enabling a forceful contraction of cardiac and muscle cells.