Biology, 19.02.2020 18:57, jeffmacdonald1976
Chemicals released by the immune system that attack infections and communicate with the brain to elicit anti-illness behaviors are .
Answers: 3
Biology, 22.06.2019 10:00, vadrian4056
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
Biology, 22.06.2019 13:30, student0724
Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases
Answers: 1
Biology, 22.06.2019 14:00, dakshshberry
Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet
Answers: 1
Chemicals released by the immune system that attack infections and communicate with the brain to eli...
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