Answer:
so the bigger image is lungs and the smaller image im pretty sure thats air sacs? but u might need to do a little more resesarch if im wrong then please correct me in the comments
Explanation:
Empirical evidence is information acquired by observation or experimentation. Scientists record and analyze this data. The process is a central part of the scientific method
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:
It depends on what your looking for metals? Non-metals? metaloids? or gas welp either way the most reactant for all of them are metal: Caesium Non-metal: Fluorine and gas: Hydrogen lastly metaloids: Francium, although some say that doesn't count so it would be Caesium.
Explanation:
