<span>The actions of sleep and dreaming are influenced by the pons. This portion of the brain is located above the medula, and connects the upper and lower parts of the brain. In addition to driving sleep and dreaming, it also synthesizes signals to control movements on the two sides of the body.</span>
The answer is A, Using reusable shopping bags at stores
Hemoglobin is the pigment in red blood cells responsible for carrying oxygen
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Definition: The amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels by a particular person, group, etc.
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Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
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