Biology, 25.06.2019 08:00 georgesk2030
Which of the following best describes it example of a specific internal response to harmful bacteria 1) skin serves as a physical barrier that prevents bacterial from entering the body. 2) saliva contains enzymes that destroy bacteria and prevents infection. 3) bacterial infection causes the release of histamine, which leads to inflation and swelling. 4) antigens trigger the production of antibodies, which mark bacteria for destruction.
Answers: 1
Biology, 22.06.2019 07:00, thomasalmo2014
Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs
Answers: 1
Biology, 22.06.2019 09:00, melaniegilbreath
How can an organ, such as the lungs, work for multiple body systems?
Answers: 2
Biology, 22.06.2019 14:00, wolffee895
Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
Biology, 22.06.2019 18:30, calebmoore925
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?
Answers: 1
Which of the following best describes it example of a specific internal response to harmful bacteria...
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