Modern medicine can't save everyone; but it can make death easier. Death for some, can be a painful and horrific experience. With modern medicine, we can lessen or totally take away this pain. This makes the death more peaceful and easier for the person to pass away.
Warming up helps get your blood flowing to the muscles
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.