Biology - Digestive System

Question 1

What cells in the digestive tract (long tube with 2 openings) create mucus?

Answer 1

Goblet cells

Question 2

Why is it important for our body to create mucus? (2 key points)

Answer 2

1. Protects digestive tube from digestive enzymes
2. Allows material to pass smoothly along the tube

Question 3

How does the mechanical digestion process start?

Answer 3

Teeth & tongue

Question 4

How does the chemical digestion process start?

Answer 4

Enzymes that break apart the molecules of food

Question 5

What is saliva formed of?

Answer 5

Mixture of enzymes and water

Question 6

What is saliva’s job?

Answer 6

to break down food chemically

Question 7

How is saliva produced?

Answer 7

Epithelial cells that line the mouth

Question 8

What is the tube called that connects your mouth to your stomach?

Answer 8

Esophagus

Question 9

what muscle tissue in the esophagus pushes down the food into the stomach?

Answer 9

Peristalsis

Question 10

Main function of stomach

Answer 10

Hold food and churn it; continuing process of digestion

Question 11

What produces digestive enzymes and acids?

Answer 11

cells in the stomach lining

Question 12

what connects the stomach and the anus?

Answer 12

Intestine

Question 13

What does intestinal lining produce?

Answer 13

mucus

Question 14

Which intestine does the most digestion occur in?

Answer 14

Small intestine

Question 15

What does the large intestine do?

Answer 15

absorbs water from the indigestible food

Question 16

3 organs that supply digestive enzymes

Answer 16

1. Liver
2. Pancreas
3. Gall bladder

Question 17

Which organ produces bile to breakdown fats?

Answer 17

Liver

Question 18

What organ helps regulate the concentration of glucose in the blood?

Answer 18

Pancreas creates insulin

Question 19

from where does the digestion start and end? (8 stages)

Answer 19

mouth, passes through the pharynx, esophagus, stomach, small intestines, large intestines, rectum and ends at the anus.