Answer:
The main functions of the muscular system are:
B) Providing support and protection for internal organs
C) Generating heat to maintain body temperature
D) Producing voluntary and involuntary movements
So, the correct options are B, C, and D. The muscular system is responsible for supporting and protecting internal organs, generating heat to regulate body temperature, and enabling both voluntary and involuntary movements. It is not directly responsible for pumping blood (that's the heart's role) or for storing and releasing minerals (that's primarily the function of the skeletal system).
Step-by-step explanation: