Chapter 34

Question 1

Extra cellular digestion

Answer 1

Most digestion occurs in chambers in the body

Question 2

Gastrovascular cavity

Answer 2

Simple digestion chamber; one opening for ingestion and elimination; incomplete digestive tract

Question 3

Tubular digestive system

Answer 3

Connected tubes and chambers; two openings for one way movement of food

Question 4

Oral Cavity

Answer 4

Where food enters body

Question 5

Teeth

Answer 5

Cut/grind food by mechanical digestion

Question 6

Salivary glands

Answer 6

Secrete saliva to moisten, soften food by chemical digestion

Question 7

Saliva

Answer 7

Water, mucus, digestive enzymes

Question 8

Pharynx

Answer 8

Connects mouth to esophagus; shared with respiratory system

Question 9

Epiglottis

Answer 9

Sends air to respiratory system,food to digestive system

Question 10

Esophagus

Answer 10

Tube that pushes food from mouth to stomach

Question 11

Peristalsis

Answer 11

Use of contracting muscles to move food forward in one direction

Question 12

Small intestine

Answer 12

Chemical digestion, absorbs nutrients into nearby cells and then into capillaries

Question 13

Colon

Answer 13

Absorb vitamins, water and salts, unused chyme becomes feces

Question 14

Rectum

Answer 14

Compacts, stores, eliminates feces

Question 15

Where does food become chyme?

Answer 15

Stomach

Question 16

Where does chyme become feces?

Answer 16

Large intestine

Question 17

Intracellular digestion

Answer 17

All digestion occurs within cells