NEET Biology Digestive System Chapter Notes

Download NEET Biology Digestive System Chapter Notes in PDF format. All Revision notes for Full Course Digestion and Absorption have been designed as per the latest syllabus and updated chapters given in your textbook for Digestion and Absorption in Full Course. Our teachers have designed these concept notes for the benefit of Full Course students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Full Course Digestion and Absorption for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Full Course Digestion and Absorption given on studiestoday

Revision Notes for Full Course Digestion and Absorption Digestion and Absorption

Full Course Digestion and Absorption students should refer to the following concepts and notes for Digestion and Absorption in Full Course. These exam notes for Full Course Digestion and Absorption will be very useful for upcoming class tests and examinations and help you to score good marks

Digestion and Absorption Notes Full Course Digestion and Absorption

 

INTRODUCTION
 
To perform various functions of the body energy is required, which is obtained from food. The process of conversion of complex food material in to simple and diffusible forms by hydrolysis is termed as Digestion.
NEET Biology Digestive System Chapter Notes
 
The alimentary canal is tubular structure which extends from mouth to anus. It develops from ectoderm & endoderm.
Ectoderm – up to hard palate
Endoderm – from soft palate to rectum
Ectoderm – from anal canal to Anus
The alimentary canal is divided into following parts–
(1) Mouth and Buccopharygeal cavity
(2) Oesophagus
(3) Stomach
(4) Intestine
 
NEET Biology Digestive System Chapter Notes1
 
 
(1) Mouth and Buccopharyngeal Cavity – Mouth is a horizontal transverse slit like aperture which is surrounded by upper and lower lip. Orbicualaris oris voluntary muscles. are found in lips. Sebaceous glands
are found on the outer part of lip. Serous glands are found on the inner part of lip. Serous glands is the modification of mucus glands. Its secretory substance is watery.
In Rabbit a small cleft is found in the middle part of upper lip, such type of lip is called as Hare lip
 
NEET Biology Digestive System Chapter Notes2
 
(i) Buccal vestibule – It is a peripheral part which, present between the gums and cheeks where the food is stored temporarily for some time
(ii) Oral cavity – It is inner & central part which, is surrounded by upper and lower Jaw. Lined by stratified squamous epithelium. Upper Jaw is Fixed and Lower jaw is Movable.
The roof of oral cavity is called as Palate. This palate is horizontal partition which situated between oral cavity and nasal chamber
 
NEET Biology Digestive System Chapter Notes3
 
Palate is differentiated into two parts :
 
(i) Hard Palate –
It is the anterior part of the palate. It is made up of Maxilla and palatine bone in human. But in Rabbit it is made of Pre-maxilla, maxilla, palatine bone.
On the ventral surface of hard palate, some projection or transverse ridges are present which are called as palatine rugae.
These rugae prevent slip out of the food from buccal cavity during mastication.
These rugae are well developed in carnivorous animals.
In rabbit, one pair opening of Nasopalatine duct is present at the anterior part of hard palate, these connect the buccal cavity to the Nasal passage. In Rabbit some olfactory receptor are also found in
nasopalatine duct which are called as Jacobson's organ. It makes them aware of the smell of food while chewing.
 
NEET Biology Digestive System Chapter Notes4
 
Reproduction in Flowering Plants
NEET Botany Reproductive Morphology Chapter Notes

NEET Full Course Digestion and Absorption Digestion and Absorption Notes

We hope you liked the above notes for topic Digestion and Absorption which has been designed as per the latest syllabus for Full Course Digestion and Absorption released by NEET. Students of Full Course should download and practice the above notes for Full Course Digestion and Absorption regularly. All revision notes have been designed for Digestion and Absorption by referring to the most important topics which the students should learn to get better marks in examinations. Our team of expert teachers have referred to the NCERT book for Full Course Digestion and Absorption to design the Digestion and Absorption Full Course notes. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Full Course Digestion and Absorption provided by our teachers. We have also provided a lot of MCQ questions for Full Course Digestion and Absorption in the notes so that you can learn the concepts and also solve questions relating to the topics. We have also provided a lot of Worksheets for Full Course Digestion and Absorption which you can use to further make yourself stronger in Digestion and Absorption.

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