Three scientists are credited with the development of cell theory. Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells.
Answer:
you can say either of them, but most people usually just say hola and then that's when they say como estas
Explanation:
Explanation:
Cardiac muscles straited involuntary helps to pump blood through the body.
skeletal straited voluntary helps in body movement.
smooth non straited involuntary helps food to go digestive tract.
Answer:
D.A substance that is produced during a chemical reaction
