CBSE Class 10 Science Chapter 6 Life Processes

All living things perform certain life processes like growth, excretion, respiration, circulation etc.

All the processes like respiration, digestion, which together keep the living organisms alive and perform the job of body maintenance are called life processes.

Basic life processes are: Nutrition, Respiration, Transportation and Excretion

Life processes require energy which is provided by nutrition.

Modes of Nutrition: Autotrophic and Heterotrophic

Autotrophic: Kind of nutrition in which organisms can synthesize their own food e.g., Green Plants

Heterotrophic: Kind of nutrition in which organisms do not possess the ability to synthesize their own food. They depend on autotrophs for their food supply directly or indirectly e.g., Animals, Fungi

This is the first introductory lecture on a CBSE Class 10th topic – Life Processes.

This chapter is divided into short lectures, so make sure you watch the other lectures for a better understanding.

Watch this lecture for better understanding of Nutrition.

Learn about Hetrotrophic Nutrition, Holozoic, Saprophytic, Parasitic, Unicellular/Single celled organisms, Amoeba, Paramaecium, Nutrition in Human Beings, Human Digestive System.

Types of Heterotrophic Nutrition: Holozoic, Saprophytic and Parasitic

Holozoic: Animals take in solid food and breakdown inside the body. e.g., Amoeba and Animals

Saprophytic: Organisms feed on dead, decaying matter. e.g., Fungi

Parasitic: Parasites live inside or outside other organisms (host) and derive nutrition from it. e.g., Cuscuta (plant parasites), Ticks etc.

Watch this lecture for better understanding of Heterotrophic Nutrition.

Learn about Respiration, Breathing and Respiration, Difference between Breathing and Respiration, How energy released during respiration is stored, Types of Respiration, Aerobic Respiration, Anaerobic Respiration

Respiration- The process of releasing energy from food is called respiration. The process of respiration involves taking in oxygen (of air) into the cells, using it for releasing energy by burning food, and then eliminating the waste products (carbon dioxide and water) from the body.

Cellular Respiration- The process of respiration which releases energy takes place inside the cells of the body. So, it is also known as cellular respiration. Respiration is essential for life because it provide energy for carrying out all the life processes which are necessary to keep the organism alive.

Aerobic Respiration- The respiration which uses oxygen is called aerobic respiration.

Watch this lecture for better understanding of Respiration.

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