The body system that directly provides for this demand is the circulatory system. When you exercise, the circulatory and muscle system cooperate, in order to meet the increased needs for strength and energy. The circulatory system involves the network which delivers blood to every part of your body. This flowing of blood ensures that the tissues are oxygenated and rich in necessary nutrients. During exercise, more blood flows to and from your muscles, in order to deliver the necessary amounts of oxygen to complete the aerobic respiration.
<span>Thylakoid membrane.
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Answer:
Generally, about half of the caught carbon is released in respiration. ... When it is dark, the only flow of CO2 comes from respiration.
Explanation:
D would occur more rapidly.
