Fill out the missing information in the paragraph below.
enters the lungs from the atmosphere through the process of
diffuses into capillaries through the
and then into the
blood cells I

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

voluntary muscles are controlled by the cerebellum.