Alimentary Canal of the Digestive System

Trace the pathway that food takes as it travels through the alimentary canal, beginning with the mouth.

• Esophagus, Stomach, Ileum of Small Intestine, Jejunum of Small Intestine, Duodenum of Small Intestine, Large Intestine, Rectum, Anus

• Esophagus, Stomach, Jejunum of Small Intestine, Duodenum of Small Intestine, Ileum of Small Intestine, Large Intestine, Rectum, Anus

• Esophagus, Stomach, Large Intestine, Duodenum of Small Intestine, Jejunum of Small Intestine, Ileum of Small Intestine, Rectum, Anus

• Esophagus, Stomach, Duodenum of Small Intestine, Jejunum of Small Intestine, Ileum of Small Intestine, Large Intestine, Anus, Rectum

• Esophagus, Stomach, Duodenum of Small Intestine, Jejunum of Small Intestine, Ileum of Small Intestine, Large Intestine, Rectum, Anus

Food travels from the mouth to the stomach via the…

• small intestine

• esophagus

• trachea

• bile duct

Which part of the digestive tract secretes enzymes and acid and holds about 1.5 Liters of food and liquid for 4-6 hours?

• large intestine

• dudoenum

• jejunum

• ileum

• stomach

The small intestine is responsible for…

• enzymatic digestion of food only

• absorption of nutrients only

• enzymatic digestion of food and absorption of nutrients

• mechanical digestion of food only

What are the tiny finger-like projections of cells that line the small intestine to absorb nutrients into the bloodstream?

• enzymes

• sphincters

• mucus

• villi

What is the primary purpose of the large intestine (colon)?

• absorb nutrients into the bloodstream

• create and secrete enzymes

• absorb water and vitamins into the bloodstream

• receive enzymes from the pancreas and liver

How long does it typically take for food to travel through the alimentary canal- from mouth to anus?

• 24 hours

• 16 hours

• 4-6 hours

• 12 hours

What process is the squeezing of food through the esophagus (and the rest of alimentary canal) by the organized contraction of smooth muscle tissue?

• sphincter

• enzymatic digestion

• peristalsis

• mastication

• epiglottis

What are the rings of smooth muscle tissue that regulates what moves from one part of the alimentary canal to the next?

• esophagus

• villi

• sphincters

• epiglottis