I would agree with your answer of C. As there would need to be calcium to start with and they seem to come from the sarcoplasmic reticulum
Skeletal muscles play a key role in the movement of blood around the body. Veins embedded within a muscle are compressed during contraction of that muscle, causing an increase in blood pressure due to the presence of one-way valves within the veins.
Cell membrane allows some material to pass through it while on the same time it blocks other material from entering through it
Answer:
1/8(12.5) if the answer is correct plz mark me as brainliest.
