A link between the skeletal system and the muscular system are tendons, which connect bones to muscles.
A link between the skeletal system and the nervous system is how the vertebrae are linked to the nerves in the spinal cord.
A link between the muscular system and the nervous system is how muscles respond when nerves signal them to after responding to the stimulus and traveling to the brain and back.
After protecting themselves with proper gloves and or gown, roll the linen as its being pulled off the bed and place it into the biohazard linen bag ( added step: wipe bed with bleach to kill germs to avoid the spread of disease spread by bodily fluids)