The dummy down way definition of anatomy is the internal workings of animals, humans or plants.
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C. The nuclear envelope contains the nucleus and forms a barrier between it and the cytoplasm
The term that is used to collectively describe foreign substances like bacteria, viruses and other pathogens that trigger an immune response is called Antigens. The correct answer is option B. Antibodies are blood proteins that are reduced to counteract an antigen. Antibiotics are substances that are used to inhibit growth and destroy microorganisms.
Hello Peppa Pig,
I'd say that the answer is B because you can observe how the perching birds make their nests.
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