Answer: Phagocytosis
Explanation:
White blood cells are the very important part of the immune system which has the ability to kill the harmful substances that reach the body.
They patrol like police inside the circulatory system and wipe out the pathogens like bacteria and virus by the process known as phagocytosis. They engulf these harmful particles and in this way it kills the cells.
hence, the correct answer is option B
<span>After the small intestine, the next structure in the alimentary canal is large intestine, most precisely its part-cecum.</span>
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Alimentary canal (digestive tract) is the gut of animals (including humans) which includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus. The function of the alimentary canal is to carry food from the digestion to the excretion.</span>
Beause we cut down a lot of trees. Often, so many, that the health of a forest is irreparably damaged. A forest is not just a bunch of trees. It is a whole ecosystem, in which the trees anchor the growth of many other plant and animal species, hold the ground together to prevent erosion, and produce a lot of oxygen to support animal life. If you harvest too many of the trees, the local ecosystem stops being a forest and starts turning into something else
