All of these work together to make up the circulatory system except: the lungs.
the heart.
the liver.
the blood vessels.

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted