Khan Academy is great! Also, Alison (it's a website) has some free courses as well.
Answer:
viruses can make your body sick and your blood cells wouldn't be right so you have to be careful with shots or people ine general
I don't know, maybe because of the way we see animals. Not as our equal parts
The ciliates<span> have both a </span>micronucleus<span> and </span>macronucleus<span>, which appear quite homogeneous in composition. The organelles of protozoa have functions similar to the organs of higher animals. The </span>plasma membrane<span> enclosing the </span>cytoplasm<span> also covers the projecting locomotory structures such as </span>pseudopodia<span>, </span>cilia<span>, and </span>flagella<span>.
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The answer would be cerebrovascular disease
Hope this helps ! # And I oop
