To provide the body with a strong and mobile framework and to allow the body to move. I also I believe the skeletal system Provides the body with a strong mobile....and to supply the body with minerals
The immune system usually protects from bacteria, injury and diseases.
Well I would take it to the vet
I'm pretty sure I that it depends on the tide of the water. When it's low tide you can go deeper in the water when it's high tide you can't go that far without touching the ground
Say you go to a catholic hospital you need to know that certain religion to expect what kind of procedures can be done