UPPER DGT SYSTEM QUESTIONS

Question 1

What are the 3 sources that we obtain energy from

Answer 1

Carbohydrates, fats, proteins

Question 2

What is the function of the digestive system

Answer 2

Break down, food absorbed into the body

Question 3

What are the 2 types of digestion that takes place when food is eaten

Answer 3

Mechanical digestion (teeth) chemical (enzymes)

Question 4

What is the substance that helps break down food in chemical digestion

Answer 4

Enzymes

Question 5

What are the 2 ways the mouth begins digestion

Answer 5

Teeth and saliva

Question 6

What is the name of the flap of skin that blocks the trachea (windpipe) when you are swallowing food

Answer 6

Epiglottis (activates when you swallow food)

Question 7

What is the term that describes the wave-like movements of food moving toward your stomach

Answer 7

Peristalsis (muscles contraptions)

Question 8

What is the function of gastric juice

Answer 8

Digest proteins into smaller pieces

Question 9

Where does gastric juice come from

Answer 9

Muscle wall of your stomach

Question 10

What are the 4 substances that make up gastric juice

Answer 10

Water, hydrochloric acid, mucus digestive enzymes

Question 11

What is the purpose of mucus in the stomach

Answer 11

Prevent the gastric juice from digesting the stomach itself