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    Digestive System: Guided Notes & Worksheet

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    Angelica Carrillo-Contreras
    The digestive system breaks down food and liquids into nutrients the body can use for energy through a series of steps. It begins with ingestion in the mouth and propels food through the esophagus into the stomach for mechanical and chemical breakdown. Food then moves into the small intestine where most absorption occurs through the intestinal walls and into the bloodstream. Remaining waste is eliminated through defecation in the large intestine and anus. The digestive system is a long tube running through the body from mouth to anus that converts food into energy for all bodily functions and growth.

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    Digestive System: Guided Notes & Worksheet

    Uploaded by

    Angelica Carrillo-Contreras
    15 views4 pages
    The digestive system breaks down food and liquids into nutrients the body can use for energy through a series of steps. It begins with ingestion in the mouth and propels food through the esophagus into the stomach for mechanical and chemical breakdown. Food then moves into the small intestine where most absorption occurs through the intestinal walls and into the bloodstream. Remaining waste is eliminated through defecation in the large intestine and anus. The digestive system is a long tube running through the body from mouth to anus that converts food into energy for all bodily functions and growth.

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    The digestive system breaks down food and liquids into nutrients the body can use for energy through a series of steps. It begins with ingestion in the mouth and propels food through the esophagus into the stomach for mechanical and chemical breakdown. Food then moves into the small intestine where most absorption occurs through the intestinal walls and into the bloodstream. Remaining waste is eliminated through defecation in the large intestine and anus. The digestive system is a long tube running through the body from mouth to anus that converts food into energy for all bodily functions and growth.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    15 views4 pages

    Digestive System: Guided Notes & Worksheet

    Uploaded by

    Angelica Carrillo-Contreras
    The digestive system breaks down food and liquids into nutrients the body can use for energy through a series of steps. It begins with ingestion in the mouth and propels food through the esophagus into the stomach for mechanical and chemical breakdown. Food then moves into the small intestine where most absorption occurs through the intestinal walls and into the bloodstream. Remaining waste is eliminated through defecation in the large intestine and anus. The digestive system is a long tube running through the body from mouth to anus that converts food into energy for all bodily functions and growth.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
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    of 4

    DIGESTIVE SYSTEM

    * Guided Notes & Worksheet *

    Guided Notes:

    Our body needs energy to function, energy is the ability of a physical system to do
    work. For your body to grow, move, breath, pump blood and stay warm, all require it to
    use energy.

    Your whole digestive system from start to finish is a tube running through your body
    called the alimentary canal or GI tract (gastrointestinal tract), it starts from the mouth
    all the way to the anus.

    the primary & other organs of the digestive system is:


    - pharynx
    - esophagus
    - stomach
    - small intestine
    - large intestine
    - salivary glands
    - pancreas
    - liver
    - gallbladder

    Enzymes are also included throughout the tract.

    People are probably more aware of their digestive system than any other system , not
    least because of its frequent messages , hunger , thirst , appetite , gas and the
    frequency of bowel movements are all issues affecting daily life.

    The steps are the digestive system ingestion, propulsion, mechanical breakdown,
    chemical breakdown, absorption, then defecation.
    Ingestion - getting the food inside your body
    Propulsion - general swallowing down the GI tract
    Mechanical breakdown- the act of chewing and churning in the stomach.
    Reducing the foods into smaller pieces to be easier to digest and remove nutrients.
    Chemical breakdown- historically referred to as digestion . Breaking down the
    food with stomach acids
    Absorption- The simple molecules that result from chemical digestion pass
    through cell membranes of the lining in the small intestine into the blood or lymph
    capillaries.
    Defecation - the expulsion of the food that was not absorbed. This waste matter,
    or feces, exits the body via the anus.

    Generally the Digestive system is food being converted into very small pieces such as,
    sugars, amino acids and fatty acids. It goes through the absorption process which it
    being absorbed into the bloodstream coming from the small intestine, and the
    extracted nutrients is carried to each cell in the body.

    * Assessment & Answer Key *

    - True/False Questions:
    1. The digestive system breaks down food and liquids into nutrients our body can
    use for energy. T

    2. The digestive system provides our muscles with oxygen. T


    3. The digestive system gives you the ability to move. F
    4. The digestive system breaks down food particles. F
    5. The digestive system protects our organs. T

    - Fill in the blank statements:

    1. After staying into the stomach for 3-4 hours , it moves into
    the______(small intestine)
    2. The process of digestion begins in the oral cavity or _____ (mouth)
    - Multiple Choice Questions:
    1. The oral cavity aka the mouth, does all but one of these things:
    a. ingest food
    b. mechanical food breakdown (chewing)
    c. store glycogen
    d. propulsion of food

    2. What two things in the digestive system can you live without?
    a. a stomach
    b. a liver
    c. a esophagus
    d. a gallbladder
    e. Both B&D

    3. How many segments do the small intestines have?


    a. 5
    b. 3
    c. 9
    d. 4

    - Short Answer Question:


    Summarize how the digestive system works, start to finish. Be sure to use key
    points from the guided notes. Summary must be at least 5 sentences long.

    _The digestive system basically converts the food that we eat into their simplest form ,
    like glucose (sugars) , amino acids that make up protein or any fatty acids that make up
    fats. The gl tract is the pathway food takes from your mouth throughout the esophagus
    , stomach , small and large intestine and whatever isnt absorbed keeps moving through
    your gl tract until you get rid of it by using the bathroom.
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