Select your answer:
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Skeletal System › ViewWhich of the following best describes the job of the skeletal system?
A. Gives shape and support to the body.
B. Sends messages from the stomach to the brain.
C. Brings in and breaks down all nutrients for the body
Enzymes and Metabolic Pathways › View
What is the role of enzymes in metabolic pathways?
A. To change the type of chemical reactions
B. To stop chemical reactions
C. To speed up chemical reactions
D. To slow down chemical reactions