Sugar is a pure substance. It contains only sugar particles. A scoop of sugar made from Canadian sugar beets contains exactly the same kind of particles as a scoop of sugar made from Australian sugar cane. A mixture contains at least two different pure substances, or two different types of particles. pure The Particle Theory of Matter Table 1 cold Principle Illustration substance A substance B hot 2. 3. 4. All matter is made up of tiny particles. All particles of one substance are the same. Different substances are made of different particles.
Foot symptoms that may occur along with foot pain. Pain in the feet may accompany other symptoms affecting any of the structures of the foot including: Bleeding or bruising. Burning or tingling sensation (paresthesia). Difficulty moving the foot, ankle or toes. Joint pain. Numbness. Stiffness. Swelling (edema) of the foot or joints.
Medical Definition of Foot pain. Foot pain: Foot pain is the sensation of discomfort in the foot arising from disorders or injury to any of the structures in the foot including bones, nerves, muscles, blood vessels, or connective tissue.