Answer:
Swallowed, Chewed, Inhaled, Injected
Explanation:
Answer:
a mental shortcut that we use when estimating probabilities.
Explanation:
I believe all of the above is correct.
<span>They benefit from having the respiratory </span>system<span> give oxygen and take away carbon dioxide. Muscle </span>cells benefit<span> by having circulatory </span>system<span> bring them blood and oxygen. The heart pumps blood towards the arteries, arteries carry blood to the </span>cells<span>.</span>
I would say no more than 40 mg
