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PPT On Life Processes

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Published in: Biology
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Presenting ppt of class 10th biology notes of chapter 1 life processes ( nutrition part) . Purpose is just to set a goal of making science especially biology understanding and simple so students can easily understand what topic is trying to say. Here is my little example of notes for my concern.

Akanksha T / Agra

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Qualification: Pursuing BSc

Teaches: Anatomy, Botany, Physiology, Zoology, Biology, Chemistry, Physics, Science

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  1. processes
  2. Introduction • As we live in a complex world, here multiple things are occur in a same place at same time. Our body is also working like that, multiple process also occur in human body at the same time for maintaining our life purposes and health. • All living things including humans, we all need to do certain activities in our daily life to stay alive. These activities are collectively called as life processes. • Here we going through some important life processes including: • Nutrition(digestion),respiration, Transportation (circulation), excretion.
  3. utrition Nutrition is a process by which living organisms take in food, and use it to get energy, grow, and stay healthy. It includes intake of food, digestion and absorption by the body , then further assimilate to get energy. • Types of nutrition: 1. 2. AUTOTROPHIC mode of nutrition- where organisms make their own food using sunlight. Ex — green plants ( photosynthesis). Process: carbon dioxide + water glucose (C6FM 206) +oxygen (in presence of sunlight + chlorophyll). HETEROTROPHIC mode of nutrition- where organisms depends on others for their food. Ex- Animals, humans, fungi, etc. . Types: Holozoic (eg:humans) — intake solid food. • Saprophytic (eg:fungi) —feed on dead and decay materials. • Parasitic (eg:leech, tapeworm) — live on /in host.
  4. Nutrition in human beings ( holozoic nutrition • Nutrition in human beings is a chain process involves multiple steps , from in taking of food to throw out of waste , it is a sequenced cycle. This process also called as digestion includes our digestive system (alimentary canal ( from mouth to anus). • Involves mainly 5 steps: 2. 3. 4. 5. INGESTION — taking of food into the mouth. ( salivary amylase present in saliva breaks complex sugar into simpler form in mouth) DIGESTION — breaking food into simple form through HCL acid present in stomach. ABSORPTION — nutrients absorbed into the blood through small intestine (villi). ASSIMILATION — using nutrients in cells (mitochondria) for energy. EGESTION — removing undigested waste via kidney or anus. DIGE LARGE Y STEM O PIPE S MACH ASE
  5. utrition in plants (Autotrophic) Green plants are autotrophic , they make their own food by the process called PHOTOSYNTHESIS. Requires: • SUNLIGHT • Carbon dioxide • Water ( h20) • Chlorophyll ( green pigment) • The whole process occurs in leaves.

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