Review for quiz of respiratory system, digestive system

The chewing and grinding of food into smaller pieces is an example of...

• Mechanical Digestion
• Chemical Digestion

Nutrients from digested food are absorbed in which digestive organ?

• Small Intestine
• Stomach
• Large Intestine
• Gallbladder

Gastric juices in the stomach digest food into a thick liquid.  This is...

• Mechanical digestion
• Chemical digestion

The process with muscle contractions to move food through the digestive system is called ____________________.

• peristalsis
• pancreas
• saliva

_________________ is when the body breaks down food into small units of nutrients that can be absorbed and used for energy.

• digestion

• enzyme

• peristalsis

Which of the sequences best describes how a piece of chicken nugget is digested in the human body?

• mouth, esophagus, small intestine, large intestine, stomach

• mouth, stomach, small intestine, large intestine, esophagus

• mouth, esophagus, stomach, small intestine, large intestine

The crushing and mashing of food is what type of digestion?

• Chemical
• Mechanical

What organ is responsible for absorbing nutrients from food? 

• Large Intestine
• Stomach
• Small Intestine
• Rectum

Which of the following is chemical digestion?

• Teeth crushing food
• Saliva dissolving food
• Smooth muscle churning the food

What is the function of the villi?

• Digests fat
• Digests protein
• Absorbs nutrients
• Absorbs water