Nutrition in animals class 7

CBSE Class 7 Science Notes Chapter 2 Nutrition in Animals Pdf free download is part of CBSE Class 7 Science Notes Chapter 2 Nutrition in Animals All animals require food for obtaining energy, growth, repair of damaged parts and functioning of the body. The process of taking food by an animal and its utilisation in the body is called animal nutrition. Plants can prepare their own food by the process of photosynthesis but animals get their food from plants, either directly by eating plants or indirectly by eating other animals that eat plants. Some animals eat both plants and other animals. Animal nutrition includes nutrient requirements mode of intake of food and its utilisation in the body. The components of food such as carbohydrates are complex substances which cannot be utilised by the body. So, they are broken down into simpler substances. The process of breakdown of complex components of food into simpler substances is called digestion. There are two methods of digesting food, i.e. physical method (including chewing and grinding of food in mouth) and chemical method (addition of digestive juices to the food by the body itself). Different Ways of Taking Food Different types of animals show different modes of nutrition. Some animals filter tiny food particles and feed upon them, while some swollen the animals they prey upon. The mode of nutrition in different animals depends upon the special structure or organ for taking food inside the body. Various modes of feeding in...

Nutrition in Animals, Class 7, Science Chapter-2 • IN ANIMALS Class 7 Science • :- The mode of taking food by an organism and its utilisation in the body is called nutrition. Animals get their food directly or indirectly from plants. Animal nutrition:-includes nutrient requirement, mode of taking food and its utilisation in the body. 2) Different ways of taking food :- Name of animal Kind of food Mode of feeding Snail Grass Chewing Ant Insects Scrapping Eagle Flesh Swallowing Humming bird Nectar Sucking Lice Blood Sucking Mosquito Blood Sucking Butterfly Nectar Siphoning/Sucking House fly Decaying matter Brewing • Sucking/ Siphoning • • which complex food substances are broken down into simpler substances is called digestion. Digestion Complex Substances Simpler Substances NUTRIENTS AND THEIR SIMPLER SUBSTANCES. 1.Carbohydrates Glucose 2.Fats Fatty Acids 3.Protiens Amino Acids • Involves:- Ingestion Digestion Absorption Assimilation Egestion Process of taking of food in the body. Breaking down of food into simpler Substances. Absorption of digested food by Villi. Transportation of absorbed food to the cells. Removal of waste excreta. • humans :- The main parts of the alimentary canal are :- Oesophagus (Food pipe), Stomach Small intestine Large intestine Rectum Buccal Cavity(Mouth) Anus • buccal cavity :-  Food is taken into the body through the mouth.  In the mouth the food is broken down into smaller pieces by the teeth.  The mouth has salivary glands which secrete sal...

1.2 Download Toppr – Best Learning App for Class 5 to 12 Nutrition in Animals Class 7 CBSE Revision Notes In Class 7 science chapter 2 notes, we will study that nutrition in animals includes a nutrient requirement, mode of intake of food, and its utilization in their body. Furthermore, we will study that the mode of taking food into the body varies in different organisms. Then, we will learn about digestion in humans through class 7 science chapter 2 notes. In this, we will gain knowledge of the various terms. These will include the buccal cavity, esophagus, stomach, small intestine, large intestine, and finally ends in rectum and anus. Moreover, we will learn about digestion being a complex process. It involves: (i) ingestion, (ii) digestion, (iii) absorption, (iv) assimilation and (v) egestion. Furthermore, we will be studying about the digestion in grass-eating animals. We will also gain knowledge of Diarrhoea. Also, in class 7 science chapter 2 notes we will learn about the digestion in amoeba. Download Toppr app for Android and iOS or signup for free. Sub-Topics Covered Under CBSE Class 7 Science Chapter 2 Notes • : In this topic, we will study that nutrition in animals includes their requirement, mode of intake and utilization of this nutrition in their body. Moreover, we will learn that the mode of nutrition varies for different individuals. Thus, it varies for species. • : In this subtopic, we will learn that the human digestive system consists of the buccal cavity...

NCERT Solutions for Class 7 Science Chapter 2 Nutrition in Animals Topics and Sub Topics in Class 7 Science Chapter 2 Nutrition in Animals: Section Name Topic Name 2 Nutrition in Animals 2.1 Different Ways of Taking Food 2.2 Digestion in Humans 2.3 Digestion in Gross Eating Animals 2.4 Feeding and Digestion System of Amoeba Q.1.Fill in the blanks: (a) The main steps of nutrition in humans are ___________, ___________, ___________ , ___________ and ___________ (b) The largest gland in the human body is ___________. (c) The stomach releases hydrochloric acid and ___________ juices which act on food. (d) The inner wall of the small intestine has many finger-like outgrowths called ___________ (e) Amoeba digests its food in the ___________ . Ans.(a) ingestion, digestion, absorption, assimilation, egestion (b) liver (c) digestive (d) villi (e) food vacuole. Q.2. Mark ‘T’ if the statement is true and ‘F’ if it is false: (a) Digestion of starch starts in the stomach. (T/F) (b) The tongue helps in mixing food with saliva. (T/F) (c) The gall bladder temporarily stores bile. (T/F) (d) The ruminants bring back swallowed grass into their mouth and chew it for sometime. (T/F) Ans. a) F (b) T (c) T (d) T Q.3.Tick (S) mark the correct answer in each of the following: (a) Fat is completely digested in the (i) stomach (ii) mouth (in) small intestine (iv) large intestine (b) Water from the undigested food is absorbed mainly in the: (i) Stomach (ii) Food pipe (iii) Small intestine (iv) Large ...

Revision Notes onNutrition in Animals Quick Revision • The animals depend upon other plants and animals for their food. • Animal nutrition comprises the mode of taking in the food in the body, nutritional requirements of the body and how animals can utilize their food. • Digestion - it is a process by which animals break down complex food substances in simpler substances. Different ways of taking the food Figure 1: Mode of feeding in Animals Digestion in Humans • The food that we eat passes through a Canal inside our body. • The food is processed and utilized in the body and unused food is collected inside the canal only. • This Canal is often called as the Alimentary Canal or the Digestive Tract. • The canal is divided into different parts: • The Mouth or Buccal Cavity • Food Pipe or Oesophagus • Stomach • Small Intestine • Large Intestine • Anus Figure 2: Digestive Tract in Humans There are three glands associated with the alimentary canal that secrete digestive juices that are used to convert the complex food substances into simpler substances. • liver • pancreas • salivary glands The Digestive System - The alimentary canal and the digestive glands together form a system in the human body which is responsible for the digestion of food in the body. This system is called the Digestive System. The Mouth or Buccal Cavity Figure 3: The Mouth or Buccal Cavity • Ingestion - the process of taking in the food through the mouth is called ingestion. • The food is chewed with the h...

The CBSE Class 7 Science Notes Chapter 2 available on Vedantu’s official site will explain the concepts taught in the chapters. The Class 7 Chapter 2 Science Notes have been designed according to the CBSE syllabus. All the notes can be easily downloadable and refer as per their convenience. The advantage of referring to these notes is that the notes are easy in a language that is very easy to understand and will help the students to perform well. Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. You can download Class 7 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations. Vedantu offers CBSE Class 7 Science Chapter 2 Nutrition in Animals Revision Notes in PDF format. The chapter explains the fundamentals of nutrition in animals. It covers topics like digestion in humans, digestion in grass-eating animals, feeding and digestion in amoeba, etc. Our subject matter experts at Vedantu have prepared these notes as per the latest NCERT textbooks and CBSE syllabus for Class 7 Science. Students can download this Revision Notes PDF for free and refer to the notes for their exam preparation. Important Topics covered in CBSE Class 7 Science Chapter 2 Nutrition in Animals • Different Ways of Taking Food • Ingestion of Food • Digestion in Humans • Salivary Glands and Saliva • Gall Bladder • Buccal Cavity • Tongue • Tooth Decay • Food Pipe or Oesophagus • Stomach • Small Intestine • ...

Revision Notes onNutrition in Animals Quick Revision • The animals depend upon other plants and animals for their food. • Animal nutrition comprises the mode of taking in the food in the body, nutritional requirements of the body and how animals can utilize their food. • Digestion - it is a process by which animals break down complex food substances in simpler substances. Different ways of taking the food Figure 1: Mode of feeding in Animals Digestion in Humans • The food that we eat passes through a Canal inside our body. • The food is processed and utilized in the body and unused food is collected inside the canal only. • This Canal is often called as the Alimentary Canal or the Digestive Tract. • The canal is divided into different parts: • The Mouth or Buccal Cavity • Food Pipe or Oesophagus • Stomach • Small Intestine • Large Intestine • Anus Figure 2: Digestive Tract in Humans There are three glands associated with the alimentary canal that secrete digestive juices that are used to convert the complex food substances into simpler substances. • liver • pancreas • salivary glands The Digestive System - The alimentary canal and the digestive glands together form a system in the human body which is responsible for the digestion of food in the body. This system is called the Digestive System. The Mouth or Buccal Cavity Figure 3: The Mouth or Buccal Cavity • Ingestion - the process of taking in the food through the mouth is called ingestion. • The food is chewed with the h...

CBSE Class 7 Science Notes Chapter 2 Nutrition in Animals Pdf free download is part of CBSE Class 7 Science Notes Chapter 2 Nutrition in Animals All animals require food for obtaining energy, growth, repair of damaged parts and functioning of the body. The process of taking food by an animal and its utilisation in the body is called animal nutrition. Plants can prepare their own food by the process of photosynthesis but animals get their food from plants, either directly by eating plants or indirectly by eating other animals that eat plants. Some animals eat both plants and other animals. Animal nutrition includes nutrient requirements mode of intake of food and its utilisation in the body. The components of food such as carbohydrates are complex substances which cannot be utilised by the body. So, they are broken down into simpler substances. The process of breakdown of complex components of food into simpler substances is called digestion. There are two methods of digesting food, i.e. physical method (including chewing and grinding of food in mouth) and chemical method (addition of digestive juices to the food by the body itself). Different Ways of Taking Food Different types of animals show different modes of nutrition. Some animals filter tiny food particles and feed upon them, while some swollen the animals they prey upon. The mode of nutrition in different animals depends upon the special structure or organ for taking food inside the body. Various modes of feeding in...

1.2 Download Toppr – Best Learning App for Class 5 to 12 Nutrition in Animals Class 7 CBSE Revision Notes In Class 7 science chapter 2 notes, we will study that nutrition in animals includes a nutrient requirement, mode of intake of food, and its utilization in their body. Furthermore, we will study that the mode of taking food into the body varies in different organisms. Then, we will learn about digestion in humans through class 7 science chapter 2 notes. In this, we will gain knowledge of the various terms. These will include the buccal cavity, esophagus, stomach, small intestine, large intestine, and finally ends in rectum and anus. Moreover, we will learn about digestion being a complex process. It involves: (i) ingestion, (ii) digestion, (iii) absorption, (iv) assimilation and (v) egestion. Furthermore, we will be studying about the digestion in grass-eating animals. We will also gain knowledge of Diarrhoea. Also, in class 7 science chapter 2 notes we will learn about the digestion in amoeba. Download Toppr app for Android and iOS or signup for free. Sub-Topics Covered Under CBSE Class 7 Science Chapter 2 Notes • : In this topic, we will study that nutrition in animals includes their requirement, mode of intake and utilization of this nutrition in their body. Moreover, we will learn that the mode of nutrition varies for different individuals. Thus, it varies for species. • : In this subtopic, we will learn that the human digestive system consists of the buccal cavity...

The CBSE Class 7 Science Notes Chapter 2 available on Vedantu’s official site will explain the concepts taught in the chapters. The Class 7 Chapter 2 Science Notes have been designed according to the CBSE syllabus. All the notes can be easily downloadable and refer as per their convenience. The advantage of referring to these notes is that the notes are easy in a language that is very easy to understand and will help the students to perform well. Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. You can download Class 7 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations. Vedantu offers CBSE Class 7 Science Chapter 2 Nutrition in Animals Revision Notes in PDF format. The chapter explains the fundamentals of nutrition in animals. It covers topics like digestion in humans, digestion in grass-eating animals, feeding and digestion in amoeba, etc. Our subject matter experts at Vedantu have prepared these notes as per the latest NCERT textbooks and CBSE syllabus for Class 7 Science. Students can download this Revision Notes PDF for free and refer to the notes for their exam preparation. Important Topics covered in CBSE Class 7 Science Chapter 2 Nutrition in Animals • Different Ways of Taking Food • Ingestion of Food • Digestion in Humans • Salivary Glands and Saliva • Gall Bladder • Buccal Cavity • Tongue • Tooth Decay • Food Pipe or Oesophagus • Stomach • Small Intestine • ...