Pig Part D (Digestive System)

Question 1

What is the function of the digestive system?

Answer 1

Convert food into simpler molecules that the cells can use.

Question 2

Pharynx (throat)

Answer 2

Passageway for food, drink and air

Question 3

Salivary glands

Answer 3

Create salivia, which contains enzymes to start breaking down food in the mouth.

Question 4

Esophagus

Answer 4

Connects the mouth to the stomach (contracts to help guide food down to stomach – this is called peristalsis)

Question 5

Stomach

Answer 5

A large muscular sac that contains digestive enzymes to break down food

Question 6

Small intestine

Answer 6

Most chemical digestion takes place here; where nutrients are absorbed from food

Question 7

Large intestine (colon)

Answer 7

Retains excess water; develops feces; make and absorb vitamins

Question 8

Pancreas

Answer 8

Secretes enzymes to digest carbohydrates, lipids and proteins

Question 9

Liver

Answer 9

Detoxifies blood, produces bile (which breaks down, or ‘emulsifies’, fats)

Question 10

Gallbladder

Answer 10

Stores bile

Question 11

Spleen

Answer 11

Destroys and makes red blood cells; produces antibodies for the immune system

Question 12

What is peristalsis?

Answer 12

Contractions of smooth muscle in the esophagus to help us swallow