Answer:
<h2>Reduction in the concentration of ozone in the ozone layer.</h2>
Explanation:
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Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
As a true friend, I would never discourage someone else for wanting to explore a sexual route, but since still in high school I believe it is not worth it. I would ask my friend why he or she is having thoughts about this. Is it pressure of wanting to fit in? Or just simply curiosity? I would tell them to wait until they have found someone they love or have deep emotions for. Being in high school should be about finding your passions and hobbies. Focusing on yourself and not the need to please others. High school only comes for a short period, so live it while you can. Live your age. Abstinence is okay and it shouldn't be discourage. A personal choice in sex should never be discourage.
Answer:
loss of balance
Explanation:
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Insulin and glucagon are hormones secreted by islet cells within the pancreas. They are both secreted in response<span> to </span>blood sugar levels<span>, but in opposite fashion! ... Although there is always a low </span>level<span> of insulin secreted by the pancreas, the amount secreted into the </span>blood increases<span> as the </span>blood glucose<span> rises.</span>
