What Are Villi? What Is Their Location And Function? NCERT Class 7th ...

rakrithapasaraz rakrithapasaraz

• 18.04.2016
• Science
• Secondary School

answered • expert verified What are villi? What is their location and function? NCERT Class 7th Science Chapter 2 Nutrition in Animals See answers MotiSani MotiSani

The attributes of villi can be described as follows:

• Villi are small finger-like, thin, and slender vascular projections.
• LOCATION: They are located on the inner walls of the intestines.
• They give the intestinal wall a smooth and velvety appearance.
• FUNCTION: They are meant for the increment of the surface area for the absorption of food and the addition of digestive secretions.
• The movement of villi increases the blood and lymph flow for better absorption.

rahul123437 rahul123437

Villi is the finger like projection which are found in the inner side of the small intestine.

Explanation:

• Villi are found inside the inner walls of the small intestine.

• They helps to increase the surface area in the intestine so as to have better absorption of the digested food.

• A network of thin and small blood vessels is close to surface of villus .
• The digested food materials are absorbed on the surface of the villi.

• The lacteal supply the villi is a network of capillaries and a big lymph vessel.
• The absorption surface area is enhanced by Villi.
• Through the blood vessels of the villi ingested food is transported  to every cell in the body.
• They repair damaged ones and is used to obtain energy, develop new tissues.

#SPJ6

New questions in Science

What is sound class 8​ explain the working of a lighting storm ?​ What is the difference between the innate immune system and the active immune system?​ 116) Explain the working of a working of a lightning storm Ars Lightning Conductor is a device to protect the buildings from damage by lightning durin … g a thunder storm IB consists thick copper strip on the outside of the building which connects metal, Spikes at the. hop of a metal plate. is buried deep in wet soil to ensure good condour to telly brett between the plate and earthPlz explain with the help of video and in easy way to learn and to write in exam​ What is the main reason for change of season in earth?​ Previous Next