Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
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Humans are warm blooded (average at 37 degrees)
It is called pre menopausal stage or menopause in which causes night sweats, hot-cold spells and irrational mood swings...
Answer:half of the planets in our solar system is made of gas planets which are past the astroid belt any outer planet is usually always gas and on the outer part of the solar stystem
Explanation:
Answer:
OptionA, re heard as a high pitched click when the valve should be—but is not—wide open during systole.
Explanation:
Heart murmurs are sound that are heard when the blood flow into the left ventricle but the flow get reduced as compared to the normal flow. The flow reduction happens because of the stenotic valve which has a narrow opening as compared to the opening in valves of a normal heart. Due to reduced valve size, the blood flow becomes fast and turbulent thereby producing murmur sound.
Hence, option A is correct
