Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 3 out of 26 pages
Exam (elaborations)

BIO 254 DIGESTIVE SYSTEM REAL EXAM ACCURATE QUESTIONS WITH 100% RATED CORRECT ANSWERS EXPERT VERIFIED GET IT A+ 2025 LATEST UPDATED

Document preview thumbnail
Preview 3 out of 26 pages

BIO 254 DIGESTIVE SYSTEM REAL EXAM ACCURATE QUESTIONS WITH 100% RATED CORRECT ANSWERS EXPERT VERIFIED GET IT A+ 2025 LATEST UPDATED

Content preview

BIO 254 DIGESTIVE SYSTEM REAL EXAM ACCURATE
QUESTIONS WITH 100% RATED CORRECT ANSWERS
EXPERT VERIFIED GET IT A+ 2025 LATEST UPDATED



layers of alimentary canal wall - ...(ANSWERS)....-mucosa

-submucosa

- muscularis

-serosa



mucosa layer of alimentary canal - ...(ANSWERS)....Deepest layer

-folded to increase surface area

-absorbs dietary nutrients

-secretes mucous/enzymes

-made of simple epithelium



Submucosa layer of alimentary canal - ...(ANSWERS)....-contains larger vessels

-nourishes cells

-transports absorbed food molecules

-made of connective tissue



Muscularis layer of alimentary canal - ...(ANSWERS)....Circular layer-around
muscle

,Longitudal layer-shorten/contract tube

-made of muscle tissue

-moves tubes/ food materials



serosa layer of alimentary canal - ...(ANSWERS)....Outer most layer(provides
protection)

-serosa fluid eliminates friction

-Visceral peritoneum of organs within abdominal cavity



alimentary canal - ...(ANSWERS)....Food passage way

-mouth

-Pharynx

-esophagus

-stomach

-small intestine

-large intestine

-anal canal



Mechanical digestion - ...(ANSWERS)....Physical breakdown of large pieces of food
into smaller pieces

ex; teeth chewing food

-does not change chemical composition

, chemical digestion - ...(ANSWERS)....Enzymes break down food into smaller
molecules

ex; saliva breaks down food surface area for better digestion



Mastification - ...(ANSWERS)....chewing

-mechanical digestion



small intestine - ...(ANSWERS)....absorbs nutrients



movement of alimentary canal - ...(ANSWERS)....Mixing- Muscles contract
rhythmically

- does not move material in one direction

-segmentation in small intestine/churning in stomach

Propelling- moves material in one direction

-peristalsis



submucosal plexus - ...(ANSWERS)....controls secretions



Myenteric plexus - ...(ANSWERS)....controls gastrointestinal motility



Parasympathetic impulse - ...(ANSWERS)....increase activities of digestive system
(secretion and motility)

Document information

Uploaded on
July 24, 2025
Number of pages
26
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers
Free
Download

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
322
Followers
0
Items
1988
Last sold
1 day ago



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions