Answer:
A) Acetylcholine is released to initiate in the alimentary canal.
Explanation:
Food is our fuel, and its nutrients give our bodies' cells the energy and substances they need to work. But before food can do that, it must be digested into small pieces the body can absorb and use.
The first step in the digestive process happens before we even taste food. Just by smelling that homemade apple pie or thinking about how delicious that ripe tomato is going to be, you start salivating — and the digestive process begins in preparation for that first bite.
Since pathogens are easily passed from person to person, they need large populations to spread and survive. If they did not have a large population, the pathogens would die out.
Walking to the dining room for their meal amplifies Trudy body's metabolism which leads to better burn up of calories once they consume and digest their food.
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