Answer:
The above statement is false.
Explanation:
Fred Cohen was a American scientist who brought forward the idea of computer viruses. he invented the computer virus defense techniques. He performed a series of studies in which he constructed programs that replicated themselves. He used the term computer 'computer virus' to describe them.
Answer:
P waves.
Explanation:
The principal diversion is the P wave related with right and left atrial depolarization. Wave of atrial re polarization is imperceptible as a result of low sufficiency.
Typical P wave is close to 2.5 mm (two-and-a half 1-mm-divisions) tall and under 120 ms (three 1-mm-divisions) in width in any lead.
Rụng tóc nhiều là thiếu chất gì ... Nguyên nhân rụng tóc ở nữ chủ yếu là do thiếu chất, dẫn đến rối loạn quá trình chuyển hóa trong cơ thể.
<span>Blood vessels are dilated to increase the amount of oxygen carried in the blood, and the lungs work harder to meet the body's oxygen demands.
Blood volume increases during exercise, making the body more efficient, so it is not necessary for the lungs to work as hard.
The lungs determine the speed at which the heart pumps, so blood flows at a level that accommodates oxygen absorption in the muscles.
The lungs expand and contract, which increases the rate of blood flow so the muscles can
hope this helps</span>
