Summary
Summary BBS2041 Human Intermediary Metabolism
- Course
- Institution
A complete and clear summary with all important information needed for the exam
[Show more]
Seller
Follow
MasterstudentUM
Reviews received
Content preview
Summary Course BBS2041Pluis, CMH
,Case 1
Pluis, CMH
,Digestive or Gastro-Intestinal (GI) tract
• The digestive tract or GI-tract is the tract in which food is digested, absorbed and secreted (can be seen
long tube passing through the body)
• The function of the GI-tract is to move nutrients, water and electrolytes from the external milieu into th
internal milieu. It makes use of several processes to achieve this
• Ingestion is the intake of food into the digestive tract, usually via the mouth
• Propulsion includes swallowing (voluntary) and peristalsis (involuntary)
• Peristalsis include alternating waves of contraction and relaxation of muscles in the organ wal
rhythmic contractions)
• Segmentation mixes food with digestive enzymes
• Mechanical breakdown via teeth to increase the surface area and thereby preparing the food for
digestion (chewing and mixing with salvia)
• Digestion is the breakdown of food molecules into their building blocks with use of enzymes (chem
breakdown)
, Digestive or Gastro-Intestinal (GI) tract
• Absorption is the uptake of the building blocks, vitamins, water and minerals from the lu
of the GI-tract via either active or passive transport into the blood or lymphatic system
• Defecation is the elimination of indigestible substances via the anus in the form of feces
• Motility is the movement of material in the GI-tract as a result of muscle contraction
• Secretion is the release of substances secreted by GI epithelial cells into the lumen or EC
movement of water and ions from the ECF to the digestive tract lumen (opposite of
absorption)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MasterstudentUM. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.90. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
52510 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now