Pages 140-143

Question 0

The four functions of the digestive system

Answer 0

Ingestion, digestion, absorption and elimination

Question 1

Gastrointestinal tract

Answer 1

Begins with the mouth where food enters and ends with the anus

Question 2

Ingested

Answer 2

Complex food material taken into the mouth

Question 3

Digested

Answer 3

Broken down, mechanically and chemically as it travels through the gastrointestinal tract

Question 4

Digestive enzymes

Answer 4

Speed up chemical reactions in aid the breakdown of complex nutrients

Question 5

Amino acids

Answer 5

Complex proteins are digested to simple

Question 6

Glucose

Answer 6

Sugars are reduced to simple sugars

Question 7

Fatty acid’s. And triglycerides

Answer 7

Three-part fatty acid

Question 8

Cheeks

Answer 8

Form the walls of the oval shaped oral cavity

Question 9

Lips

Answer 9

Sure around the opening to the cavity

Question 10

Hard palate

Answer 10

Forms the anterior portion of the roof of the mouth in the muscular soft palate

Question 11

Soft palate

Answer 11

Lies posterior to the hard palate

Question 12

Rugae

Answer 12

Irregular ridges in the mucous membrane covering the anterior portion of the hard palate

Question 13

Uvula

Answer 13

A small soft tissue projection hangs from the soft palate

Question 14

Tongue

Answer 14

Extends across the floor of the oral cavity and muscles that attach it to the lower jaw bone

Question 15

Mastication and deglutition

Answer 15

Swallowing

Question 16

Papillae

Answer 16

Small raised areas on the tongue containing taste buds that are sensitive to the chemical nature of food and allow discrimination of different tastes as food moves across the town

Question 17

Tonsils

Answer 17

Masses of lymphatic tissue located in depressions of the mucous membranes Lie on both sides of the oropharynx they are filters to protect the body from the invasion of micro organisms and produce lymphocytes, disease fighting white blood cells

Question 18

Gums

Answer 18

Fleshy tissue surrounding the sockets of the teeth

Question 19

Crown

Answer 19

Shows about the gum line

Question 20

Enamel

Answer 20

Protects the tooth

Question 21

Dentin

Answer 21

The main substance of the tooth lies been easy email mall and extends throughout the crown

Question 22

Cementum

Answer 22

Covers, protects, and supports the dentin in the root

Question 23

Periodontal membrane

Answer 23

Surrounds the cementum him and holds the two’s in place in the tooth socket

Question 24

Pulp

Answer 24

Lies underneath the dentin

Question 25

Pharynx or throat

Answer 25

Muscular tube about 5 inches long line with a mucous membrane it serves as a passageway both war air traveling from the nose to the windpipe