cross our cell membranes
stomach
food must be digested cuz the food we ingest is not a form usable by our bodies. therefore digestion is necessary to break down food in its complex, insoluble, inorganic form to a simple, soluble, organic form
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Food must be chemically digested because the substances which our body needs cannot be absorbed into the blood until they have been broken down into small, soluble chemicals with the help of enzymes in our mouth. When the food is digested, its molecules are small enough to pass through the wall of the small intestine by diffusion.
What goes in must come out. Digested decay matter and food. Good Fertilizer.
The food mix with the sliva because the food must be digested and it has different enzymes such as amylase starch and sugar
Fats must be emulsified (broken down into small droplets) by bile in the duodenum before they can be digested.
Beans - complex foods must be reduced to simple compounds.
Before digested food can nourish your body, it must enter the bloodstream through the walls of the small intestine. Once the nutrients are absorbed into the bloodstream, they are transported to cells throughout the body, where they can be utilized for energy, growth, and repair. This process ensures that the body receives the essential vitamins, minerals, and macronutrients needed for optimal functioning.
An organism that must take in food is called a heterotroph. An organism that is able to make their own food is called an autotroph.
They must obtain food,shelter,and water