The pumping of the heart is tied to the respiratory system
Answer:
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#5 the answer is glucose because it is a simple sugar and plays a role in cellular respiration and photosynthesis
<span>Adrenaline can change many things including increasing blood pressure, heart rate, reflexes, physical and psychological capabilities, and many more. When under stress, adrenaline is released to help the body defend itself from that stress. That's why when children are drowning, for example, those saving them must be extremely careful because a child can due to adrenaline become even stronger than an adult and can accidentaly drown the adult.</span>
<span>They are not visible because the chromatin coils up,shortens,and thickens.</span>
