Anatomy Unit 7 Study Guide Answers

Week 7 Digestion Lecture Study Guide

Based on information found in the lecture folder or other sources, answer the following questions.

What is digestion? the mechanical and chemical breakdown of food into usable molecules

List some other names of the digestive tract. Alimentary Canal, GI tract

Explain where and how the mechanical breakdown of food occurs. Chewing breaks apart food. Incisors cut, Canines serve as “fangs” for tearing, and Premolars and molars are used for grinding

How does food move through the digestive tract. Perstalsis

What is released from the gall bladder when food is in the duodenum? Cholecystokinin

The organs of the digestive tract form a continuous tube from mouth to anus. List the organs of the tract including specific regions of the small and large intestine, from proximal to distal in the blanks…

Mouth -> _____pharynx__________ -> ____esophagus_____________ -> _______stomach__________ -> small intestine ->

______duodenum__________ -> ____jejunum_____________ -> _________lilium__________ -> large intestine: cecum,

appendix, -> _______ascending colon______________ -> _______transverse colon______________ -> ______descending colon____________ ->

_____sigmoidal colon_______________ -> ______involuntary sphincter_______________ -> _____voluntary sphincter______________ -> anus

Fill in the chart.

|Organ |Function |Secretes |Helps to digest what food |

| | | |type (carb, prot,fat)? |

|Mouth |begins digestion |saliva |carbs |

|Esophagus |food passageway | | |

|Stomach |creates chine |pepsin |proteins |

|Pancreas...