Life Processes: Types of Nutrition in Humans | Class 10 Science | Board Exam Explained скачать в хорошем качестве

Life Processes: Types of Nutrition in Humans | Class 10 Science | Board Exam Explained

Life Processes: Types of Nutrition in Humans Class 10 Science Notes What is Nutrition? Nutrition is the process by which humans take in food and use it for energy, growth, repair, and maintenance of the body. Type of Nutrition in Humans Humans show Holozoic Nutrition. Holozoic Nutrition involves five main steps: Ingestion Taking food into the body through the mouth. Digestion Breaking complex food into simpler, soluble substances with the help of enzymes. Absorption Digested food is absorbed into the blood through the small intestine. Assimilation Absorbed nutrients are used by body cells for energy, growth, and repair. Egestion Removal of undigested food through the anus. Digestive Organs and Their Functions Mouth: Chewing and saliva secretion (amylase) Stomach: Digests proteins using pepsin and HCl Small Intestine: Complete digestion and absorption Large Intestine: Absorbs water Important Exam Points ✔ Humans depend on other organisms for food ✔ Small intestine is the main site of absorption ✔ Enzymes play a key role in digestion