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7. Human nutrition
A section of Biology, 0610
Listing 10 of 505 questions
Complete the sentences about human teeth. The process of taking food into the mouth is called . Flat sharp‑edged teeth at the front of the mouth, called , are used for biting off pieces of food. The and are the large teeth towards the back of the mouth that are used for the food. is a diagram of a villus. Draw labels and label lines on to identify a capillary and a lacteal. State the part of the digestive system where villi are located. State the function of the lacteal. Describe the pathway taken by the products of protein digestion from the villi to the liver. ,  ,
0610_s24_qp_42
THEORY
2024
Paper 4, Variant 2
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Explain why food has to be digested. shows a section through the human body. J K L M Identify the structures labelled on . Write your answers in Table 8.1. Table 8.1 structure name J K L M In a medical investigation the number of villi in four people was compared. The results given in Table 8.2 show the average number of villi present in 1 cm2 of ileum wall. Table 8.2 person average number of villi per cm2 P Q R S Calculate the difference in the number of villi between person P and person S. difference = per cm2 Further investigations showed that person Q could absorb digested food more rapidly than the other people. Use the information in Table 8.2 to explain this result.
0610_w15_qp_21
THEORY
2015
Paper 2, Variant 1
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Questions Discovered
505