The correct sequence, going from simplest to most complex, in the levels of structural organization of the human body: chemical level, cellular level, tissue level, organ level, organ system level, organismal level.
Answer: Option D
Explanation:
The correct sequence of the structural organization of the human body is:
a) First atoms are the basic structures which combine to form the molecules in the chemical level
b) These different molecules join together to form cells in the cellular level.
c) A group of cells together form the tissues in the tissue level
d) All tissues join together to form an organ in the organ level
e) Two or more organs join together to form the organ system level
f) Many organ systems work harmoniously in an organism to form the organismal level.