A. It's a sign of a Heart attack
Ligaments connect the ends of bones together in order to form a joint.
Joints are structures that connect individual bones and may allow bones to move against each other to cause movement.
Hope that helps!
Call the police, if it's illegal doesn't matter where it is
The soluble products of the digestive system (i.e.glucose) are moved into the circulatory system and transported to organs to perform a function (i.e. muscles for respiration)