Well it depends on what kind of situation you are in, but a good regular diet is to go outside once a day and walk,jog,run,etc. Do not i repeat not skip meals!
eat breakfast lunch and dinner, and you have to be able to know your proportion sizes , remember to walk everyday it will help do some sit ups and push ups too
well i hope this helped:) if you have got any questions ask:)
The renal vein and the bowmans space
Their mode of fertilization is external.
They lay eggs in the water and there is a chance of destruction of these gametes by water current if they are in less quantity.
So they lay more and more eggs in order to rule out the possibility of destruction of all eggs.
Thus at least some eggs are fertilized by sperm and produce zygote.
To preserve the momentum and therefore save enrgery.