The answer is Alveoli. C<span>arbon dioxide move from the circulatory system to the respiratory system in the Alveoli. </span>Alveoli are tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream. <span>The function of the alveoli is </span>to get oxygen into the blood stream<span> for transport to the tissues, and </span>to remove carbon dioxide<span> from the blood stream.</span>
He should lower the speed he is going on the steps that way his heart rate won't go up too fast.
Answer:
Holding a stretch for a current amount of time.
Explanation:
One by managing all the currency that goes into the project.
Two monitor how much is being used for the project.Three set a deadline that is reasonable to work with.
and
Four test roads before communal use.
