Because your heart isnt pumping blood effectively to the rest of your body
Answer:
we get chemical energy from food
Explanation:
There is chemical energy in food so when you eat food you get chemical energy from it.
<span>Enzymes, special kinds of proteins, move up the DNA, breaking the rungs</span>
Answer:
A high concentration can displace oxygen in the air. If less oxygen is available to breathe, symptoms such as rapid breathing, rapid heart rate, clumsiness, emotional upsets and fatigue can result. As less oxygen becomes available, nausea and vomiting, collapse, convulsions, coma and death can occur.
Kingdom Protista includes all the organisms mentioned
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