Class 7th
Chapter -- 10 explain..
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Answers
Answer:
GB is an abbreviation for gigabyte. A gigabyte is a measurement of data storage for computers, tablets, smartphones, gaming consoles, and other computing devices.
Answer:
Breathing vs. Respiration
Respiration
Respiration is the process of gaseous exchange in an organism.
Respiration at a cellular level, however, refers to the burning of food to obtain energy.
Breathing
Breathing is the process of taking in oxygen and giving out carbon dioxide by the organism.
Every organism has their own methods to breath.
In humans, it is done by the lungs.
In organisms like fishes, it is done by gills.
Process of respiration
The oxygen in the lungs is taken up by the blood.
This oxygen is then transported to all parts of the body.
Blood gives up oxygen to the cells and takes up carbon dioxide, which is sent back to the lungs.
Diffusion
Diffusion is the process of movement of molecules from the area of its lower concentration to the area of its higher concentration without any application of energy.
Diffusion is what happens when you put a drop of ink in water and it slowly mixes with the water uniformly.
The same principle is used for the exchange of gases (breathing) in the animals.
Explanation:
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