1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anastaziya [24]
3 years ago
9

The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of t

he following accomplish this task?A) plicae circulares and intestinal villiB) the vast array of digestive enzymesC) Brunnerʹs glandsD) the rugae
Biology
1 answer:
bekas [8.4K]3 years ago
6 0

Answer:

plicae circulares and intestinal villi

Explanation:

The inner wall of the intestine is full of wrinkles, called villi. An enlargement of them under the microscope reveals that they are formed by cells whose surface has innumerable small "wrinkled" structures. The small intestine is the largest viscera of the body (about six meters). Intestinal villi and microvilli increase the area of ​​contact with the intestine as well as the speed of absorption of food. Blood capillaries and lymph are in these villi to absorb nutrients.

The intestinal villi, have the function of increasing the absorption of nutrients after digestion. They are the folds of the intestines. The surface of the villi has an area of ​​12 cm² and the microvilli 240 cm².

Villi and microvilli increase the area of ​​intestinal absorption by approximately 30 times and 600 times, respectively, providing exceptionally efficient absorption of nutrients in the lumen.

The entire small intestine has circular folds of mucosa, also called Kerckring valves and circular plicae. Most extend transversely around the small intestine cylinder for about half or two-thirds of its circumference, but some form complete circles, and some have a spiraling direction; The latter usually extend a little more than once around the bowel, but occasionally two or three times. Circular folds slow the passage of partially digested food along the intestines and provide an increased surface for absorption.

You might be interested in
I need help with my homework pleaseee
patriot [66]

I can't read your paper

7 0
3 years ago
Review: Which stage of aerobic respiration produces the largest amount of ATP
Pepsi [2]

<em>Answer </em><em>is </em><em>- </em><em>D </em><em>the electron transport </em><em>chain </em><em>combined </em><em>with</em><em> </em><em>chemiosmosis </em>

7 0
3 years ago
What is the opportunity cost of increasing toilet paper production from 11 to 15? Opportunity Cost =
Mamont248 [21]
You won’t be able to produce another item
6 0
3 years ago
Which two purposes does mitosis serve in humans
Artist 52 [7]

The major purpose(s) of mitosis is for growth and to replace worn out cells.

6 0
3 years ago
Read 2 more answers
biol 180If a student goes on a field trip but fails to submit a trip evaluation, the result will be _____________.
Nikitich [7]

Answer: The student get full credit for attending the field trip. Submitting trip evaluation is optional.

Explanation:

7 0
3 years ago
Other questions:
  • What volcanos are on conversant boundaries?
    10·1 answer
  • Consider the stage of cellular respiration that is shown in the diagram.
    5·2 answers
  • What two structures are involed in energy production on the cellular level
    15·2 answers
  • State the basic assumptions of the kinetic theory
    14·1 answer
  • DOESN'T HAVE TO BE RIGHT OR WRONG!!!! WILL BE MARKING BRAINLIEST!!!!
    14·1 answer
  • Which of the following would NOT be considered Lamarckian ideas about evolution?
    14·1 answer
  • PLEASE HELPPP DUE IN A FEW MINUTES
    10·1 answer
  • Help!!!!!!!!!!!!!!!!
    13·1 answer
  • CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION THANK YOU!!
    15·1 answer
  • Help me pls!will give brainliest
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!