Digestive System

Question 1

Where is bile produced and where is it stored?

Answer 1

Produced in liver
Stored in gall bladder

Question 2

How are the products of digestion used by the body?

Answer 2

Glucose used for :
- respiration
- stored as glycogen in the liver

-simple sugars used to build new carbohydrates
- amino acids are sued to build new proteins
- fatty acids and glycerol are stored as fat
- glycerol can be converted to glucose for energy

Question 3

What is stomach acid made of?

Answer 3

Hydrochloric acid

Question 4

What is the function of the digestive system?

Answer 4

• the organs of the digestive system work together to digest food
• food broken down into small soluble molecules
• small molecules can be absorbed into the bloodstream

Question 5

What is the function of bile?

Answer 5

• neutralises stomach acid as it is an alkaline
• emulsifies fats to small droplets which increases its surface area

Question 6

What is the purpose of the large intestine?

Answer 6

To remove excess water

Question 7

What does proteis break proteins down into?

Answer 7

Amino acids

Question 8

What does the villi absorb the nutrients into?

Answer 8

The blood

Question 9

What does the salivary glands produce?

Answer 9

Amylase

Question 10

What is the purpose of the small intestines?

Answer 10

Produces proeise, amylase, lipase
Digested food is absorbed