DIGESTIVE SYSTEM (MOUTH)

Question 1

provides the body with the nutrients, water and electrolytes essential for health. The organ of this system ingest, digest and absorb food and eliminate the undigested remains as feces.

Answer 1

Digestive system

Question 2

contains the teeth, tongue, and the openings of the salivary glands

Answer 2

MOUTH/ORAL CAVITY/BUCCAL CAVITY

Question 3

– one of the hard calcified structures set in the alveolar processes of the jaws for biting and mastication of food.

Answer 3

Teeth

Question 4

– is a muscular organ attached to the floor of the mouth. It is the chief organ of taste and aid in mastication, swallowing and speech.

Answer 4

Tongue

Question 5

– are three pairs of glands whose combined secretions constitute the saliva.

Answer 5

Salivary Glands

Question 6

THREE PAIRS OF SALIVARY GLANDS

Answer 6

PARATID GLAND
SUBLINGUAL GLAND
SUBMANDIBULAR/SUB-MAXILLARY GLAND

Question 7

– is the largest among the salivary glands that lies immediately inferior and anterior to the external ear which has a duct that opens into the oral vestibule opposite the second upper molar called the “Stensen’s duct”.

Answer 7

Parotid Gland

Question 8

– is composed of a group of smaller glands which is narrow and elongated in form which has also a duct that opens beside the orifice of the Wharton’s duct called the “Bartholin’s duct”/”Duct of Rivinus”.

Answer 8

Sublingual Gland

Question 9

– is irregularly shaped, fairly large that extend posteriorly from a point below the first molar almost to the angle of the mandible. It also has a duct which is known as the “Wharton’s duct”.

Answer 9

Submandibular/Sub-maxillary gland

Question 10

it lies behind the nasal cavities down to the opening into the esophagus

it conveys food to the esophagus as well as the air to larynx

Answer 10

PHARYNX OR THROAT

Question 11

(behind the nasal cavity)

Answer 11

nasopharynx

Question 12

(behind the oral cavity extending from the soft palate to the epiglottis)

Answer 12

oropharynx

Question 13

(extending from the epiglottis to the base of the larynx)

Answer 13

laryngopharynx

Question 14

is a tube about 10 inches in length that extend from the lower end of the pharynx to the stomach.

Answer 14

Esophagus or Gullet

Question 15

• a slight
  thickening of the smooth muscle layer at the
  esophago-gastric junction, controls food
  passage into the stomach.

Answer 15

Gastroesophageal sphincter