Pick one of the two following prompts to address 1 Imagine...

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Pick one of the two following prompts to address  1  Imagine you are a...

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Digestive Process The digestive system plays an important role in the absorptionof nutrients into the body The food we ingest it breaks downmechanically chemically in mouth and stomach as well Then itabsorbs nutrients fats proteins and water in the intestinesbefore eliminating the waste through the rectum The process of digestion involves six activities Ingestion Propulsion Mechanicalphysical digestion Chemical digestion Absorption and Defecation Description Firstly Ingestion refers to the entry of foodinto the alimentary canal through the mouth Here the food ischewed and mixed with saliva which contain enzyme chewingincreases the surface area of the food and allows an fine sizedbolus to be formed or produced Secondly Propulsion which refers to the movement of foodthrough the digestive tract this include both the voluntary andinvoluntary process of peristalsisconsists ofsequentialalternating waves of contraction and relaxation ofalimentary wall smooth muscles which act to propel food Peristalsis is so powerful that foods and liquidswe swallow enter our stomach even if we are standing on our headThirdly digestion involves both mechanical ....

Pick one of the two following prompts to address: 1. Imagine you are an oxygen molecule....

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Medical Sciences

Pick one of the two following prompts to address:
1. Imagine you are an oxygen molecule. What is your pathway intoa human respiratory system and ultimately into the bloodstream?
2. What is the complete pathway for food through the alimentarycanal beginning with the oral cavity?

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