Exchange In The Gut

Question 1

Starch turns into:

Answer 1

Glucose

Question 2

Protein is Brocken down into:

Answer 2

Amino acids

Question 3

Lipids are brown down into:

Answer 3

Fatty acids and glycerol a

Question 4

The lining of the intestine is folded into thousands of ….. Which in turn have numerous ….. On their surface

Answer 4

Villi

Microvilli

Question 5

What are the adaptations of small intestines?

Answer 5

They give the digestive system a huge surface area of absorption
They have a rich capillary blood system to remove absorbed nutrient and maintain a steep concentration gradient
The walls a only one cell think to keep the diffusion distance short

Question 6

What is the purpose if digestion?

Answer 6

To break down the large molecules of food into smaller ones that can be absorbed through the lining do the gut into the blood