5 Questions
What are the two primary requirements of life provided by nutrients?
energy and raw materials (matter)
What is nutrition, and what are the processes involved in it?
Nutrition is the sum total of all processes through which the food is taken in, digested, absorbed, and utilized, and finally, the undigested matter is eliminated outside the body. The processes involved are ingestion, digestion, absorption, assimilation, and egestion (defecation).
What is the purpose of digestion in the nutrition process?
To convert complex, non-diffusible, and non-absorbable food substances into simple, diffusible, and absorbable substances by enzymes.
What is ingestion, and what happens during this process?
Ingestion is the process in which the food is taken inside the body.
What is the final process in the nutrition cycle?
Egestion (defecation)
Learn about the processes that provide energy and raw materials for life, including nutrition and respiration. Understand how the body takes in, digests, absorbs, and utilizes food, and eliminates waste.
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