Small And Large Intestines - Tutorial 1

Question 1

In correct sequence from the beginning name the three portions of the small intestine

Answer 1

• Duodenum
• Jejunum
• Ileum

Question 2

Large intestine functions

Answer 2

• To complete the absorption of water, ions and vitamins
• Production and absorption of vitamin K and some B vitamins by bacteria
• Movement of contents of the colon to the rectum
• Formation of faeces
  Defecation

Question 3

Name the four structural features of the small intestine & state the overall function of
these features

Answer 3

• Circular folds
• Villi
• Microvilli
• Length of small intestine
• Overall function is to increase surface area of absorption