Villi serves the function of increasing the surface area of the small intestine for absorption of digested food.Ħ. The finger-like projections present in the inner wall of the small intestine are called villi. What are villi? What are their location and function? The food components we take contain carbohydrates, proteins, and fats, which are then broken down by the digestive system into digestible ones such as sugar, amino acids, and fatty acids, glycerol respectively.ĥ. Match the Item of Column I With Those Given in Column II. Water from the undigested food is absorbed mainly in theĪs it takes several hours for the food to travel to enter the large intestine through the digestive tract, the water from the undigested food should be cleaned, this process takes place in the large intestine.Ĥ. Tick () Mark the Correct Answers in Each of the Following:įats are completely digested in the small intestine because it gets bile from the liver through the gallbladder which is responsible for fat digestion.ī). The ruminants bring back swallowed grass into their mouth and chew it for some time.ģ. The gallbladder temporarily stores bile.ĭ). The tongue helps in mixing food with saliva.Ĭ). Digestion of starch starts in the stomach.ĭigestion of starch starts from the mouth.ī).

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Mark ‘T’ if the Statement Is True and “F” if It Is False.Ī). The Inner wall of the small intestine has many finger-like outgrowths called_.Į). The stomach releases hydrochloric acid and _ juice which acts on food.ĭ). The largest gland in the human body is _.Ĭ). The main steps of digestion in humans are _, _, _, _ and _.Īns: ingestion, digestion, absorption, assimilation and egestion.ī). The following are the main topics that are discussed in Chapter 2 of Class 7 Science.Ī). Topics Covered in Chapter 2 of Class 7 Science You can also download NCERT Solutions for Class 7 Maths to revise the complete syllabus and score more marks in your examinations.

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Eureka math lesson 13 homework 5.1