A scientist extracts and measures the calcium content of one of your muscle fibers while you are asleep, when all of your muscle
s are relaxed. Where is the scientist likely to find calcium? (2 points) Select one: a. In the T-tubules b. In the sarcoplasmic reticulum c. Bound to tropomyosin d. Bound to troponin
Reason: The body system is Skeletal is the system that has all the bones in it. The system supports the body and the muscles. Without the skeletal system we would be puddles and are organs will be in all sorts of places.
