I think the answers are 2
I think its true im not sure though
Answer:
Answered below
Explanation:
the plasma membrane of a skeletal muscle fiber is called the sarcolemma. The sarcolemma invaginates into the cytoplasm of the muscle cell (sarcoplasm). This forms membranous tubules that pass across the muscle cells.
True. it starts off simple then you move into details
It supports the weight of the upper body as it's spread across the pelvis and into the legs. It also connects the spine to the hipbones.