Answer:
Calcitonin stimulates the kidneys to absorb calcium when calcium levels are too low, while parathyroid hormone stimulates the kidneys to excrete calcium when calcium levels are too high.
Explanation:
Answer: Reverse the position of two cells from opposite poles as the blastula stage allow development
Explanation:
An experiment should be performed, this experiment will help to discover the interactivity that exists between cells before reaching the fetal period. The experiment ought to also influence the location of the cells.
I think the third is correct
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If you can generate a strong enough static charge, and construct a glove to hold the charge, like a capacitor and slowly pour water on the glove. the positive hydrogen molecules in the water will attract to the static charge. and will become suspended.
This is just a theory so if you do try this please. tell me how it goes.