Digestive system is the answer
Answer:
Genetic Change in Viruses. Viruses are continuously changing as a result of genetic selection. They undergo subtle genetic changes through mutation and major genetic changes through recombination. Mutation occurs when an error is incorporated in the viral genome.
Answer: i think it is the third answer
<span>Answer: body movement</span>
Body movement describe the
actions of the muscles on the skeleton and most movement have an opposite
movement or antagonistic movement such as pushing/pulling,
extension/contraction, reaching/twisting and posture/bending.
<span>In addition, the different types of
movements create various types of synovial joints that gives body motions and tremendous
mobility.
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Heartburn is actually a symptom of GERD
So I would say that some of our common foods that we eat stimulate increased stomach acid secretion which is setting the stage for heartburn.
Hope this helped some~
