Animals provide a major avenue for many infectious diseases. Many illnesses that are superbly dangerous such as rabies, avian flu, and ebola, are zoonotic, meaning they infect animals but are then transmitted to humans. It is important that we understand our relationship with animals in order to combat these diseases. <span />
<span><span>A. </span>B-cells
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Which type of white blood cells is produced in the thymus and destroys the
cell membranes of bacteria are B-cells. These b-cells are also known and called as B
lymphocytes. Their function primarily is to create antibodies which combats
antigens such as bacteria. They are also responsible for immune regulatory
indications –cytokines. In contrast, T-cells are a type of white blood cells
that combat any substance from the inside or within the body.
Answer:
2 hours
Explanation:
There is a 2 Hour Rule: toss any perishable food (the kind that can spoil or become contaminated by bacteria if left unrefrigerated) that has been left out at room temperature for more than two hours. When the environmental temperature is above 90° F (32° C), throw out the food after one hour.
