Differentiate betwwen excretion an transpiration

General
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differentiate betwwen excretion an transpiration

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Differentiate between excretion and transpiration

Excretion:

  1. Definition: Excretion is the process by which living organisms remove waste products from their bodies.

  2. Purpose: It helps maintain homeostasis by getting rid of metabolic waste, which includes substances like urea, carbon dioxide, and excess salts.

  3. Organs Involved:

    • In humans, the kidneys, liver, lungs, and skin are primary organs involved in excretion.
    • Plants excrete waste primarily through their stomata and lenticels.

  4. Examples:

    • In humans, the kidneys filter blood to produce urine, which removes excess salts and urea.
    • In plants, oxygen is a waste product of photosynthesis and is released through stomata.

Transpiration:

  1. Definition: Transpiration is the process of water vapor being released from plant leaves into the atmosphere.

  2. Purpose: It helps in water transport, cooling the plant, and assists in nutrient uptake.

  3. Process:

    • Water taken up by roots is transported through the plant and evaporates from the leaf surface.
    • This occurs mainly through small openings called stomata.

  4. Significance:

    • Transpiration drives the movement of water from roots to leaves, enabling nutrient distribution.
    • It also plays a crucial role in the water cycle by returning moisture to the atmosphere.

Summary:

Excretion and transpiration are both processes of waste removal. Excretion relates to eliminating metabolic waste from organisms, helping maintain internal balance, while transpiration involves the movement of water through plants and its evaporation, aiding in cooling and nutrient transport.

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