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Biology, 22.06.2019 06:00, svaskeacevilles5477
When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?
Answers: 1
Biology, 22.06.2019 13:10, hcoulter15
Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Biology, 22.06.2019 17:30, TanelleK9546
Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d
Answers: 1
Biology, 22.06.2019 19:10, isabellawest2
which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)
Answers: 1
Why did mendel choose to work with the garden pea plant?...
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