Red blood cells have a flattened disk shape. This relates to their function as this shape increases the surface area to volume ratio for better gas exchange.
The thing that is happening when you gargle with salt water is you are creating a high-salt barrier. As a result fluids are pulled out from the tissues in the throat area and the viruses are washed out. Fluids (water) are moving down the concentration gradient (to the area with the high salt concentration) and this is an example of passive transport.
Answer:
I think it is A, B, and C.
Explanation:
Answer:
first one is pre second ones pes third one is pes fouth one is pre
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ur welcome
Because its about grow up if question asked germ cells it was supposed to be meiosis but this ques about zygote to become embryo so grow up and this is have to be mitosis.