Digestive System Review

Name the structure labeled ( 11 )

• Large intestine

• Small intestine

• Stomach

• Esophagus

Stomach

• Muscles churn the food (mechanical) and mixes it with stomach acids and enzymes (chemical) to break down food

• The stomach stores food temporarily before it moves to the intestines

• The stomach absorbs nutrients directly into the bloodstream

• The stomach produces bile to aid in digestion

Another name for digestive system

• Alimentary canal

• Respiratory tract

• Circulatory system

• Nervous system

Mesentary

• Membrane with blood vessels that holds the small intestines together

• Layer of fat that surrounds the stomach

• Muscle that aids in digestion

• Part of the large intestine responsible for water absorption

Chemical digestion

• Chemicals help break down organic compounds into simpler building blocks

• Only mechanical processes are involved in digestion

• Digestion occurs only in the stomach

• Chemical digestion does not involve enzymes

Mouth

• Teeth break down food into smaller pieces (mechanical) and mixes it with saliva (chemical)

• The tongue helps in swallowing food

• The mouth produces digestive enzymes

• The mouth is responsible for taste sensation

Appendix

• Stores helpful bacteria needed for digestion

• Produces digestive enzymes

• Absorbs nutrients from food

• Filters toxins from the blood

Name the structure labeled ( 5 )

• Mouth

• Nose

• Ear

• Eye

Name the structure labeled ( 4 )

• Appendix

• Colon

• Cecum

• Ileum

Mechanical digestion

• Food chemically broken down by enzymes

• Food physically broken down or mixed

• Food absorbed into the bloodstream

• Food eliminated from the body