How does digestion start?

• taking a bite of food
• mechanical breakdown of food
• chemical breakdown of food
• production of saliva

A muscular tube connecting the mouth and stomach is the

• Esophagus
• Trachea
• Pharynx
• Rectum

The organ that produces bile is the

• Pancreas
• Liver
• Stomach
• Gall Bladder

What is the appendix in humans attached to?

• Ileum
• Jejunum
• Cecum
• Colon

The area where mouth, nose and esophagus openings enter the throat is called

• Larynx
• Pharynx
• Glottis
• Epiglottis

What are stomach wrinkles called?

• Villi
• Papillae
• Alveoli
• Rugae

What organs are in the alimentary canal?

• Spleen, Liver, Stomach
• Esophagus, Stomach, Intestines
• Pancreas, Stomach, Esophagus
• Liver, Small intestine, Large intestine

The finger-like projections used to absorb nutrients are called

• Papillae
• Rugae
• Villi
• Chyme

The enzyme that begins carbohydrate breakdown in saliva is

• Lactase
• Glucase
• Sucrase
• Amylase

The wavelike motion in the digestive system that is used to propel food is called

• Contraction
• Propulsion
• Peristalsis
• Fibrillation