Because the heart has a very important task for the body, it follows a cycle called the cardiac cycle. The intervening pauses allows the blood to be emptied out completely from the atria and transferred to the ventricles before the ventricles finally pumps out the blood.
Scientists believe that the Earth's early atmosphere lacked oxygen because photosynthetic organisms did not yet exist. Hope this helps and have a great day!
Question: In the pariental cells, the enzyme carbonic anhydrase causes a reaction between ________ and _________.
Answer: Carbon dioxide and water
Explanation: Carbon dioxide and water are the ones that reacts because of the enzyme carbonic anhydrase.
Answer:
The set of characteristics provided by Audesirk and Audesirk are:
Animals are multicellular.
Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances.
Animals typically reproduce sexually.
Animals are made up of cells that do not have cell walls.
Explanation:
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