________ refers to ring of muscle at the end of the stomach.

A. Pyloric sphincter
B. Uvula
C. Lower esophageal sphincter
D. Cardiac sphincter

________ refers to soft, inner section of a tooth.

A. Dentin
B. Enamel
C. Pulp
D. Gum

________ is the chemical that speeds up reactions and helps digest foods.

A. Triglyceride
B. Amino acid
C. Enzyme
D. Chyme

________ means pigment released with bile.

A. Glycogen
Bilirubin
C. Melena
D. Albino

Hormone produced by endocrine cells of the pancreas is called ________.

A. insulin
B. amylase
C. lipase
D. glycogen

________ is rhythm-like contraction of the muscles in the walls of the gastrointestinal tract.

A. Deglutition
B. Mastication
C. Peristalsis
D. cytolysis

Breakdown of large fat globules is termed ________.

A. absorption
B. emulsification
C. anabolism

Pointed, dog-like tooth medial to premolars is called ________.

A. incisor
B. canine
C. molar
D. premolar

__1__consists of ascending, transverse, descending, and sigmoid sections.

The small sac under the liver which stores bile is called__1__.