OK so basically the location of the sinoatrial node will be in the right atrium
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The answer is to avoid infection
Answer:
The two most commonly occurring bacterial STIs are chlamydia and gonorrhoea. However, unlike bacterial infections, STIs caused by a virus cannot be treated with antibiotics. These include viral infections such as genital herpes, genital warts and HIV.
Explanation:
I hope this answers it. :)
Energy enthusiasm hope that helps if not sorry