differentiate between respiration and excretion
Answers
Answer:
Excretion:
- Excretion is a process by which metabolic waste is eliminated from an organism.
- In vertebrates this is primarily carried out by the lungs, kidneys and skin.
- This is in contrast with secretion, where the substance may have specific tasks after leaving the cell.
- Excretion is an essential process in all forms of life. For example, in mammals urine is expelled through the urethra, which is part of the excretory system.
- In unicellular organisms, waste products are discharged directly through the surface of the cell.
Respiration:
Respiration is the movement of oxygen from the outside environment to the cells within tissues, and the transport of carbon dioxide in the opposite direction.
It is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells).
When we examine the equation for cellular respiration, we see that the reactants are glucose and oxygen (for aerobic respiration), and the products are carbon dioxide, water, and ATP. Note the number of oxygen, carbon dioxide, and water molecules involved in each 'turn' of the process.
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Answer:
Excretion. Excretion cleans up after respiration. Respiration is a chemical reaction that takes glucose (sugar) and oxygen to produce energy. ... Excretion gets rid of carbon dioxide, water, and other, possibly harmful, substances from your body.
Explanation: