Question 1 (a)
Fill in the blanks:
(a) The main steps of nutrition in humans are __, __, __, __ and __.
Question 1 (a)
Fill in the blanks:
(a) The main steps of nutrition in humans are __, __, __, __ and __.
The main steps of nutrition in humans:
The main steps in nutrition in humans are ingestion, digestion, absorption, assimilation, and egestion.
i) Ingestion: The process of intake of food through the mouth is called ingestion.
ii) Digestion: The process of breaking down complex food substances into simpler ones or nutrients is called digestion.
iii) Absorption: The process of absorbing the nutrients present in the digested food is called absorption.
iv) Assimilation: The process of transportation of the absorbed nutrients to different parts of the body for their uses such as energy production, repair, development, etc., through blood vessels, is called assimilation.
v) Egestion: The process of removal of waste or unwanted substances from the body is called egestion.
Final answer: The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion.
The main steps of nutrition in humans:
The main steps in nutrition in humans are ingestion, digestion, absorption, assimilation, and egestion.
i) Ingestion: The process of intake of food through the mouth is called ingestion.
ii) Digestion: The process of breaking down complex food substances into simpler ones or nutrients is called digestion.
iii) Absorption: The process of absorbing the nutrients present in the digested food is called absorption.
iv) Assimilation: The process of transportation of the absorbed nutrients to different parts of the body for their uses such as energy production, repair, development, etc., through blood vessels, is called assimilation.
v) Egestion: The process of removal of waste or unwanted substances from the body is called egestion.
Final answer: The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion.
