They allow the heart to pump more blood by decreasing the ESV.
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Ethical issues that arise from modern biotechnologies include the availability and use of privileged information, potential for ecological harm, access to new drugs and treatments, and the idea of interfering with nature. Applications include agriculture and health care.
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plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%. Then divide this by 2 and you will get 30%. 30% of guanine and 30% of cytosine, because their amounts are equal in the DNA stand.
C because the heart pumps normally with a constant pressure but when it is lower it needs to push harder to get the blood to where it needs to go causing it to malfunction
Question is cute off pls repost or tell me the question