L 14.4 Organs of the Digestive System 4Q

Question 1

2 distinct processes

Answer 1

Physical or Mechanical and Chemical Digestion

Question 2

Is the mechanical breakdown of food into smaller particles

Answer 2

Physical digestion

Question 3

Is the breakdown of the complex molecules, such as proteins, starch, and fats contained in food

Answer 3

Chemical digestion

Question 4

The mammalian digestive system consists of the gut

Answer 4

Alimentary canal

Question 5

Jaws bear 4 types of teeth

Answer 5

Incisors, canines, premolars, and molars

Question 6

Different functions of the human teeth

Answer 6

Grinding, masticating, cutting, biting, and gnawing

Question 7

Slippery masses of

Answer 7

Boli (singular: bolus)

Question 8

Is a common passage for food and air

Answer 8

Pharynx

Question 9

It is the part of the gut that leads from the mouth to the esophagus and to the trachea by way of the larynx or voicebox

Answer 9

Pharynx

Question 10

Bears a slit-like opening called glottis

Answer 10

Larynx

Question 11

Located behind the tongue and in front of the larynx

Answer 11

Epiglottis

Question 12

A piece of flap-like cartilage called _______ covers the larynx and no food particles enter the trachea during the swallowing process

Answer 12

Epiglottis

Question 13

Greek word “to carry what is eaten”

Answer 13

Esophagus

Question 14

Smooth muscles force the food into a narrow, muscular tube called

Answer 14

Gullet or esophagus

Question 15

Muscle layers that surround the esophagus consists

Answer 15

Outer layer of longitudinal muscles and Inner circular smooth muscles

Question 16

Move the food along the gut

Answer 16

Peristalsis

Question 17

J shaped organ, lies beneath the diaphragm and partly covered by the liver

Answer 17

Stomach

Question 18

Is a dilute solution of hydrochloric acid and the enzyme pepsin

Answer 18

Gastric juice

Question 19

Stops the action of salivary amylase

Answer 19

Diluted hydrochloric acid

Question 20

The partly digested food becomes liquefied forming

Answer 20

Chyme

Question 21

First part of the small intestine

Answer 21

Duodenum

Question 22

The stomach joins the small intestine, through a muscular valve called

Answer 22

Pyloric sphincter

Question 23

3 parts of the small intestine

Answer 23

U-shaped Duodenum, Jejunum, and much coiled ileum

Question 24

Stretched small intestines

Answer 24

6m or 20 feet

Question 25

Most chemical digestion happens in the first _____ of the intestine

Answer 25

0.3m