Which type of muscle's movements are involuntary? A. Smooth muscle and Cardiac muscle
B. Smooth muscle and Skeletal muscle
C. Cardiac muscle
D. Skeletal muscle

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.