1. Define positive feedback
Answer: A self-amplifying cycle that leads to greater changein the same direction
2. Define negative feedback
Answer: A process in which the body senses a change andactivates mechanisms that negate or
reverse it
3. What is epithelial tissue?
Answer: a sheet of cells that covers a body surface or lines abody cavity
4. Is epithelial tissue vascular or avascular?
Answer: avascular (it contains no bloodvessels)
5. why is epithelial tissue polar?
Answer: These cells are polarized and form extensive cell-cell adhesions, including adherens
junctions and tight junctions, with each other
6. epithelial tissue role in regeneration
Answer: capable of rapidly replacing damaged anddead cells.
7. types of protein fibers in connective tissue
Answer: collagen fibers, reticular fibers,elastic fibers
8. what is chondroitin sulfate and where is it located?
Answer: provides support andadhesiveness in cartilage, bone, skin, and blood vessels
*most commonly found in cartilage*
9. what is the function of keratin?
Answer: Prevents underlying structures from drying out
10. What is a merocrine gland?
Answer: glands that release fluids by exocytosis
11. what are the functions of merocrine glands
Answer: thermoregulation, secretion,protection
12. What is a sebaceous gland?
Answer: a small gland in the skin which secretes alubricating oily matter (sebum)
13. function of sebaceous glands
Answer: produce sebum (oil) into the hair follicles tolubricate the skin and hair.
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 ExamNavigator. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.