Most chemical reactions take place in the cytoplasm
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Answer:
the correct answer is b
Explanation:
the human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. the primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
Answer:
All cells essentially originate from a single fertilized egg.
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Explanation:
if you were trying to find the function of something it you would mainly think of roles, jobs, responsibilities, chores etc, where as if you were trying to find the structure it would be how something is made up or its form.
for example the srtucture of a plant, meaning its form or how it grew, its function depends on what type of plant, if it were just a regular plant or leaf, the stomata, cell wall, cell membrane, nucleus, chloroplasts, chlorophyll inside the chloroplasts, mitochondria, cytoplasm, would be requied to do their funtions i.e their jobs to keep the plant/leaf alive