Explain the roles of the digestive system organs mentioned in 7.2.1, focusing on: (a) ingestion, which is the intake of substances like food and drink into the body; (b) digestion, which refers to the breakdown of food; (c) absorption, which is the transfer of nutrients from the intestines into the bloodstream; (d) assimilation, which involves the uptake and utilization of nutrients by cells; (e) egestion, which is the process of eliminating undigested food from the body as faeces.

Quick explanation

Explain the roles of the digestive system organs mentioned in 7.2.1, focusing on: (a) ingestion, which is the intake of substances like food and drink into the body; (b) digestion, which refers to the breakdown of food; (c) absorption, which is the transfer of nutrients from the intestines into the bloodstream; (d) assimilation, which involves the uptake and utilization of nutrients by cells; (e) egestion, which is the process of eliminating undigested food from the body as faeces

• This point belongs to Digestive system, especially Digestive system outcomes.
• You need to be able to explain the roles of the digestive system organs mentioned in 7.2.1, focusing on: (a) ingestion, which is the intake of substances like food and drink into the body; (b) digestion, which refers to the breakdown of food; (c) absorption, which is the transfer of nutrients from the intestines into the bloodstream; (d) assimilation, which involves the uptake and utilization of nutrients by cells; (e) egestion, which is the process of eliminating undigested food from the body as faeces.
• The key ideas to know are Describe and Explain.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.