How do the respiratory and circulatory systems work together to maintain homeostasis, particularly during strenuous/intense exercise? ​

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Me the formula cacl2 represents the compound

Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer