Question

explain the concept of heterotrophic nutrition including human digestive system​

Answer 1

Answer:

Heterotrophic nutrition is a mode of nutrition in which organisms depend upon other organisms for food to survive. They can't make there food own like Green plants. Heterotrophic organisms have to take in all the organic substances they need to survive.

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

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Answer 2

Answer:

Heterotrophic nutrition is a mode of nutrition in which organisms depend upon other organisms for food to survive. They can't make there food own like Green plants. Heterotrophic organisms have to take in all the organic substances they need to survive.

All animals, certain types of fungi, and non-photosynthesizing plants are heterotrophic. In contrast, green plants, red algae, brown algae, and cyanobacteria are all autotrophs, which use photosynthesis to produce their own food from sunlight. Some fungi may be saprotrophic, meaning they will extracellularly secrete enzymes onto their food to be broken down into smaller, soluble molecules which can diffuse back into the fungus.