Biology, 09.01.2022 21:50, sanchezr7187
Worksheet 5 A. Fill in the blanks. 1. The ability of an organism to fight against infections and harmful substances is called 2. The cells produce antibodies in response to an antigen 3. Some common examples of are dust, mould, pollen, insect stings and nurs and get swollen 4. During an asthma attack, the B. Name the four tests that are used to check if someone is allergic to a substance.
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Biology, 22.06.2019 02:50, andybiersack154
Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Biology, 22.06.2019 06:00, nefertiri64
How can you tell the difference between rough er from smooth er?
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Biology, 22.06.2019 11:30, reese12345
Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
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Worksheet 5 A. Fill in the blanks. 1. The ability of an organism to fight against infections and har...
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