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Class 7 Science Chapter 9 Infographics - Nutrition in Animals
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Page 1 5 1 2 3 4 6 7 8 When food is chewed, saliva starts digesting carbohydrates. pancreas Many kinds of digestive enzymes are made here. small intestine large intestine DIGESTIVE SYSTEM THE HUMAN BODY MOUTH esophagus Muscles, in a process called peristalsis, push the food down into your stomach. stomach Everything is blended with digestive juices. Hydrochloric Acid kills bacteria. Enzymes break down proteins. liver A green liquid called bile, which is stored in your liver, is secreted to break down fats. Food is mixed with bile from your liver and juices from your pancreas to be sent back to your liver for more processing. Indigestible food and water are processed, stored and dispersed. Solid waste passes from the rectum in order to leave your body. anus 1 2 3 4 5 6 7 8 What happens to the food you eat?Read More
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FAQs on Class 7 Science Chapter 9 Infographics - Nutrition in Animals
| 1. What are the main types of nutrients required by animals? |  |
Ans. Animals require several key nutrients for optimal health, including carbohydrates, proteins, fats, vitamins, and minerals. Carbohydrates provide energy, proteins are essential for growth and repair of tissues, fats offer concentrated energy and support cell structure, vitamins are crucial for various biochemical functions, and minerals play vital roles in processes like bone formation and nerve function.
| 2. How do animals obtain their nutrients? | |
Ans. Animals obtain nutrients primarily through their diet, which varies based on their species and habitat. Herbivores consume plant material, carnivores feed on other animals, and omnivores eat both plants and animals. Additionally, some animals can absorb nutrients directly from their environment, such as aquatic animals that may filter nutrients from water.
| 3. What is the role of digestion in animal nutrition? | |
Ans. Digestion is the process by which animals break down food into smaller components that can be absorbed into the bloodstream. This process involves both mechanical actions, like chewing and grinding, and chemical actions, such as the secretion of enzymes that break down complex molecules into simpler forms, making nutrients accessible for absorption.
| 4. Why is a balanced diet important for animals? | |
Ans. A balanced diet is crucial for animals because it ensures they receive all necessary nutrients in the right proportions, which supports overall health, growth, and reproduction. An imbalanced diet can lead to malnutrition, resulting in health issues, weakened immune systems, and reduced reproductive success.
| 5. How does animal nutrition vary among different species? | |
Ans. Animal nutrition varies significantly among species due to differences in digestive systems, dietary needs, and ecological niches. For example, ruminants like cows have specialized stomachs for fermenting plant material, while carnivores like lions have shorter digestive tracts suited for processing meat. These adaptations ensure that each species can efficiently obtain and utilize the nutrients required for survival.
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