Small Intestine Adaptions

Question 1

What do villi in the small intestine do

Answer 1

Villi in the small intestine provide a large surface area so that digested food is absorbed much more quickly back into the bloodstrean

Question 2

What other adaptations do the villi have

Answer 2

The walls of the villi are thin (only one cell thick) to allow a shorter diffusion / absoption distance

Question 3

What is anpther adaption of the small intestine(blood)

Answer 3

The small intestine has an efficient blood supply to mantain a concentration gradient

Question 4

What is an adaptation for the small intestine that allows them to release lots of energy

Answer 4

Cells in the small intestine have many mitochondria which allows for respiration and the release lots of energy for active transport