Answer:
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Explanation:
Answer:
The activation energy must be reached. The catalyst makes lower energy pathways available.
Explanation:
Answer:
small intestine
Explanation:
Umbilical. The umbilical region contains the umbilicus (navel), and many parts of the small intestine, such as part of the duodenum, the jejunum, and the illeum. It also contains the transverse colon (the section between the ascending and descending colons) and the bottom portions of both the left and right kidney.
Answer:
Cancer can ruin the lungs and cause death of lung tissue. If a lung is ruined, running would be out the picture and you would have enough oxygen to provide for your cells during exercise