The diagram shows part of a section of the human small intestine - Leaving Cert Biology - Question 6 - 2005
Question 6
The diagram shows part of a section of the human small intestine.
(a) Name A, B, C.
A ..........................................................
B ................... show full transcript
Worked Solution & Example Answer:The diagram shows part of a section of the human small intestine - Leaving Cert Biology - Question 6 - 2005
Step 1
Name A, B, C.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A is the villus, B is the lacteal or lymph vessel, and C is the muscle or wall.
Step 2
State two ways in which A is adapted for the absorption of soluble foods.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A has a large surface area to enhance absorption.
A has a rich blood supply, allowing for efficient nutrient transport.
Step 3
Name a process by which soluble foods are absorbed into the blood from the small intestine.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The process is diffusion (passive transport).
Step 4
What type of food is mainly absorbed into B?
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Fats, specifically fatty acids or glycerol.
Join the Leaving Cert students using SimpleStudy...
