Question | Answer |
Mechanical Digestion | when food enters the mouth and it is being grinded, ripped and cut by the teeth |
Chemical Digestion | when food is chemically digested by digestive juices and enzymes secreted during the process |
Oral Cavity | first part of the digestive tract |
Lips | opening of the mouth |
Cheeks | walls of the oral cavity |
Hard Palate | anterior roof of the mouth |
Uvula | small soft tissue projection hangs from the soft palate |
Mastication | chewing |
Deglutition | swallowing |
Papillae | rough elevations contains the taste buds |
Bolus | food that is ball-like mass |
Enamel | outer most protective layer of the crown |
Dentin | the main substance of the tooth |
Cementum | covers, protects & supports the dentin in the root |
Salivary Glands | located near the lower jaw 1-Parotid; 2-Submandibular; 3-Sublingual |
Amylase | enzymes for the digestion of carbohydrates/ starch |
Lipase | enzymes for the digestion of fats |
Pharynx | throat |
Esophagus | Muscular tube (10 inch) extending from the pharynx to the stomach |
Peristalsis | rhythmic contraction in the wall of the esophagus |
Rugae | folds in the walls of the stomach |
Chyme | mixture of liquefy food that leaves the stomach |
Villi | tiny, microscopic projections lining the wall of the small intestine |
Sigmoid Colon | S-shaped portion of the large intestine |
Large Intestine | complete absorption take place |
Bile | yellowish-green secretion |
Bilirubin | give the feces a brownish color |
Pancreas | both a exocrine gland & endocrine gland |
Endocrine Gland | secrete into the bloodstream like the hormone insulin |
Gallbladder | it stores & concentrates bile for later use |
Expiration | passive phase of breathing |
Paranasal Sinuses | are hollow areas or cavities within the skull |
Pharynx | (throat) serves as common passageway for both air and food |
Oropharynx | middle portion of the pharynx |
Larynx | voice box |
Adam’s apple | the most prominent of which is the thyroid cartilage at the front (in males) |
Trachea | wind pipe |
Alveoli | air sacs |
Mediastinum | the space between the lungs |
Hemorrhoids | swollen vein in the distal rectum or anus |
SIDS | (sudden infant death syndrome) – known as the crib death |