Biology, 25.07.2019 13:30, aaliyahettorre
Blood ph and cerebrospinal fluid ph are affected by carbon dioxide content. how does this enable the organism to sense a disturbance in gas levels? question 2 options: a. the brain alters the ph of the cerebrospinal fluid to force the animal to retain more or less carbon dioxide b. the brain directly measures and monitors carbon dioxide and causes breathing changes accordingly c. the medulla oblongata is able to control the concentration of bicarbonate ions in the blood d. the medulla oblongata, which is in contact with cerebrospinal fluid, monitors ph and uses this measure to control breathing e. the lungs sense changes in oxygen concentration, which causes the medulla oblongata to speed up or slow breathing
Answers: 1
Biology, 22.06.2019 16:30, CoreyHammond74901
Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.
Answers: 1
Biology, 22.06.2019 17:50, gennhill14
To take a whiff of your favorite food, you use both? a. motor nerves and your digestive system b. sensory nerves and your immune system c. motor nerves and your skeletal system d. sensory nerves and your respiratory system
Answers: 2
Blood ph and cerebrospinal fluid ph are affected by carbon dioxide content. how does this enable the...
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