If your blood level of carbon dioxide gets too high your body will increase its respiration rate so you exhale more frequently to remove excess carbon dioxide
from your blood. This would be an example of... *
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The body is protected against harmful flu viruses by

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above