Respuesta :
answer: option A
because...
-atoms are the smallest particles of matter
-organelles make up cells (eg mitochondria)
-cells make up tissues (eg veins)
-tissues make up organs (eg the heart)
-organs make up systems (eg circulatory system)
because...
-atoms are the smallest particles of matter
-organelles make up cells (eg mitochondria)
-cells make up tissues (eg veins)
-tissues make up organs (eg the heart)
-organs make up systems (eg circulatory system)